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Network Security Monitor Daemon 4.0
The Network Security Monitor Daemon is a lightweight network security monitor for TCP/IP LANs. more>>
The Network Security Monitor Daemon is a lightweight network security monitor for TCP/IP LANs. It will capture certain network events and record them in a relational database. The recorded data is available for analysis through a CGI-based interface.
You can run test version with ./Monitord, just to see how it works. Production version should be run in background, v.g. with nohup ./monitord &. Both versions will accept a device name as a parameter (default: eth0). You can send them SIGHUP at any time to print some stats. If you send SIGTERM, SIGQUIT or SIGINT, all threads will end gracefully.
Enhancements:
- Linux Kernel with "packet sockets" and "socket filtering" support.
- GNU C Library 2 (glibc2) with LinuxThreads support. (integrated in most recent versions).
- Full MySQL, including headers and libmysqlclient_r.
- GNU C Compiler (gcc).
- GNU Make (make).
- Perl (perl).
- Wget (wget).
Enhancements:
- Added chmod 4755 ... in Makefile
- Root should run make now, but not the daemon ;-)
- The daemon will drop root privileges as soon as possible
- (after creating the raw socket with an attached linux socket
- filter and putting the interface in promiscuous mode)
- No threads run with root privileges so its much safer
- (specially the new server thread which reads remote user input)
- Added stats thread
- To calculate/mantain exponential averages
- Added server thread
- It accepts HTTP requests and serves stats in XML
<<lessYou can run test version with ./Monitord, just to see how it works. Production version should be run in background, v.g. with nohup ./monitord &. Both versions will accept a device name as a parameter (default: eth0). You can send them SIGHUP at any time to print some stats. If you send SIGTERM, SIGQUIT or SIGINT, all threads will end gracefully.
Enhancements:
- Linux Kernel with "packet sockets" and "socket filtering" support.
- GNU C Library 2 (glibc2) with LinuxThreads support. (integrated in most recent versions).
- Full MySQL, including headers and libmysqlclient_r.
- GNU C Compiler (gcc).
- GNU Make (make).
- Perl (perl).
- Wget (wget).
Enhancements:
- Added chmod 4755 ... in Makefile
- Root should run make now, but not the daemon ;-)
- The daemon will drop root privileges as soon as possible
- (after creating the raw socket with an attached linux socket
- filter and putting the interface in promiscuous mode)
- No threads run with root privileges so its much safer
- (specially the new server thread which reads remote user input)
- Added stats thread
- To calculate/mantain exponential averages
- Added server thread
- It accepts HTTP requests and serves stats in XML
Download (0.033MB)
Added: 2006-07-12 License: GPL (GNU General Public License) Price:
1203 downloads
Network Security Toolkit 1.5.0
Network Security Toolkit is a bootable ISO live CD and its based on Fedora Core 2. more>>
Network Security Toolkit is a bootable ISO live CD and its based on Fedora Core 2.
The toolkit was designed to provide easy access to best-of-breed Open Source Network Security Applications and should run on most x86 platforms.
The main intent of developing this toolkit was to provide the network security administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 75 Security Tools by insecure.org are available in the toolkit.
What we find rather fascinating with NST is that we can transform most x86 systems (Pentium II and above) into a system designed for network traffic analysis, intrusion detection, network packet generation, wireless network monitoring, a virtual system service server, or a sophisticated network/host scanner.
This can all be done without disturbing or modifying any underlying sub-system disk. NST can be up and running on a typical x86 notebook in less than a minute by just rebooting with the NST ISO CD. The notebooks hard disk will not be altered in any way.
NST also makes an excellent tool to help one with all sorts of crash recovery troubleshooting scenarios and situations.
Enhancements:
- We are pleased to announce the latest NST release: v1.5.0. This release is based on Fedora Core 5 using the Linux kernel 2.6.18. Here are some of the highlights for this release: the NST Web User Interface (WUI), has been greatly enhanced and cleaned up; extensive additions to managing and analyzing network packet captures; the ability to setup and manage printers; the ability to easily mount many different supported file system types; the ability to manage the NST as a file server (both NFS and CIFS); the addition of the Inprotect package (a Nessus manager); the addition of the Zabbix package (another network resource monitoring tool - similar to Nagios)....
<<lessThe toolkit was designed to provide easy access to best-of-breed Open Source Network Security Applications and should run on most x86 platforms.
The main intent of developing this toolkit was to provide the network security administrator with a comprehensive set of Open Source Network Security Tools. The majority of tools published in the article: Top 75 Security Tools by insecure.org are available in the toolkit.
What we find rather fascinating with NST is that we can transform most x86 systems (Pentium II and above) into a system designed for network traffic analysis, intrusion detection, network packet generation, wireless network monitoring, a virtual system service server, or a sophisticated network/host scanner.
This can all be done without disturbing or modifying any underlying sub-system disk. NST can be up and running on a typical x86 notebook in less than a minute by just rebooting with the NST ISO CD. The notebooks hard disk will not be altered in any way.
NST also makes an excellent tool to help one with all sorts of crash recovery troubleshooting scenarios and situations.
Enhancements:
- We are pleased to announce the latest NST release: v1.5.0. This release is based on Fedora Core 5 using the Linux kernel 2.6.18. Here are some of the highlights for this release: the NST Web User Interface (WUI), has been greatly enhanced and cleaned up; extensive additions to managing and analyzing network packet captures; the ability to setup and manage printers; the ability to easily mount many different supported file system types; the ability to manage the NST as a file server (both NFS and CIFS); the addition of the Inprotect package (a Nessus manager); the addition of the Zabbix package (another network resource monitoring tool - similar to Nagios)....
Download (364.9MB)
Added: 2007-02-14 License: GPL (GNU General Public License) Price:
991 downloads
Network Security Analysis Tool 1.5
Network Security Analysis Tool is a fast, stable bulk security scanner designed to audit remote network services. more>>
Network Security Analysis Tool is a fast, stable bulk security scanner designed to audit remote network services and check for versions, security problems, gather information about the servers and the machine, and much more.
A manpage providing extensive information on NSAT has been included in the distribution. It is available after a make install, or just by typing man doc/nsat.8 from this dir. It is suggested that you inform yourself at least about the -v (scan verbosity) option and edit the configuration file. To learn about changes in this version, please consult doc/CHANGES.
New to this version is support for distributed scanning. The manpage describes how to do a distributed scan. Note that distributed scanning in this version is just a preliminary, proof-of-concept, implementation with no guarantees for its security, reliability, or performance.
Check for updated vulnerability lists, config files, etc. from
http://nsat.sourceforge.net
Currently, these are lists of vulnerabilities:
nsat.cgi (CGI scripts)
nsat.conf (configuration)
src/mod/snmp.h (SNMP community names)
<<lessA manpage providing extensive information on NSAT has been included in the distribution. It is available after a make install, or just by typing man doc/nsat.8 from this dir. It is suggested that you inform yourself at least about the -v (scan verbosity) option and edit the configuration file. To learn about changes in this version, please consult doc/CHANGES.
New to this version is support for distributed scanning. The manpage describes how to do a distributed scan. Note that distributed scanning in this version is just a preliminary, proof-of-concept, implementation with no guarantees for its security, reliability, or performance.
Check for updated vulnerability lists, config files, etc. from
http://nsat.sourceforge.net
Currently, these are lists of vulnerabilities:
nsat.cgi (CGI scripts)
nsat.conf (configuration)
src/mod/snmp.h (SNMP community names)
Download (0.40MB)
Added: 2006-07-14 License: GPL (GNU General Public License) Price:
1204 downloads
Z 1.7.0b3
Z project is a modular security service for IRC networks. more>>
Z project is a modular security service for IRC networks. It was originally based on BotServ.
Z is designed to prevent flood and spambots from attacking a network.
<<lessZ is designed to prevent flood and spambots from attacking a network.
Download (0.091MB)
Added: 2006-10-23 License: GPL (GNU General Public License) Price:
1104 downloads
iSAK 2.0.1 (Dmozlists)
iSAK (Internet Secure Access Kit) is a Linux network security system which is cost-effective, flexible, manageable, and complete more>>
iSAK (Internet Secure Access Kit) is a Linux network security system which is cost-effective, flexible, manageable, and complete.
It allows you to shield your networks Web traffic. iSAK project is based on Squid and SquidGuard.
<<lessIt allows you to shield your networks Web traffic. iSAK project is based on Squid and SquidGuard.
Download (0.011MB)
Added: 2006-07-27 License: GPL (GNU General Public License) Price:
1186 downloads
Other version of iSAK
Jean-Francois Levesque - iSAK (Internet Secure Access Kit) is a Linux network security system which is cost-effective, flexible, manageable, and complete. iSAKLicense:GPL (GNU General Public License)
Nessj 0.7.0
Nessj is an application/network security scanner client for Nessus and Nessus compatible (OpenVAS, etc.) servers. more>>
Nessj is an application/network security scanner client for Nessus and Nessus compatible (OpenVAS, etc.) servers.
In addition to an improved user interface, Nessj provides session management with templates, report generation using XSLT including charts/graphs, and vulnerability trending
<<lessIn addition to an improved user interface, Nessj provides session management with templates, report generation using XSLT including charts/graphs, and vulnerability trending
Download (0.55MB)
Added: 2006-08-03 License: Artistic License Price:
1180 downloads
Astaro Security Linux 7.5 Beta
Astaro Security Linux is an award-winning, unique network security solution in an integrated and easy-to-use and manage package. more>>
Astaro Security Linux 7.5 Beta offers you a wonderful and extremely useful product which is an award-winning, unique network security solution in an integrated and easy-to-use and manage package. Astaro Security Linux includes a combination of the following security applications:
- A Firewall with stateful packet inspection and application proxies guards Internet communications traffic in and out of the organization.
- A Virtual Private Network (VPN) gateway assures secure communications with remote offices, road warriors, and telecommuters.
- Anti-Virus defends computers from both email and web-bourne viruses.
- Intrusion Protection detects and stops hostile probes and application-based attacks.
- Spam Filtering eliminates the productivity drain of opening and deleting unsolicited emails.
- Surf Protection (Content Filtering) and Spyware Protection improve productivity by blocking inappropriate web activities, provide full protection from user tracking threats and violation of privacy.
Major Features:
- Protects all types of networks Windows, Linux, Unix and others.
- Delivers comprehensive features at low cost maximizing your ROI (return on investment).
- Highly effective. Has won numerous industry awards. Beat Cisco and Checkpoint in InfoWorld magazine product review, Beat IBM and Computer Associates in Linux World for Best Security Application.
- Integrated management platform features an intuitive browser-based interface and one-step updates for rapid deployment and easy management.
- Can be installed in under 15 minutes or purchased pre-installed on security appliances.
- Can start with firewall, VPN and spam protection and add other security applications as needed, seamlessly.
- Runs as a dedicated application server on top of a hardened operating system, which relieves operating system management headaches.
- Runs on systems ranging from small devices up to large multi-processor systems utilizing gigabytes of memory.
- Redundant systems can be configured to provide high availability and automatic failover in case of hardware or network failures.
- Load balancing improves performance - traffic shaping can set priorities by network, service and protocol.
- Logging, automatic backup, and diagnostic tools support high reliability.
- Free online evaluation workshop to get you started.
Enhancements:
- Major New Things:
- Intrusion Protection Performance
- Uses new version of the IPS engine
- Scales massively when used with Multi-Core CPU/Appliances
- Real-Time Bandwidth Monitor
- New Interface utilization bars on Dashboard (setup scale via QOS)
- Click for detailed overview as to "whats happening in my network right now"
- Import/Export Widget
- Gives the ability to work with manual lists for many features/fields
- Useful to import a large blacklist (for example) into the URL Blacklist
- Can been seen in many user-input boxes in Web, Mail and more. (Green Up/Down Arrows)
- Clone Objects
- Easily duplicate existing objects for quick re-use.
- Supported in most places for many objects (Definitions, Services, Certain Profiles/Actions)
- Extended Network Security Reporting
- Added Detailed Packet Filter/Firewall Reports
- Added Detailed IM/P2P Reports
- Reputation Support for Web Security
- Allows use of the trustedsource.org reputation for Web Filtering
- Documentation coming, for now visit their site/FAQ for more info on reputations
- DHCP Improvements
- Automatically map a current lease to a static assignment
- Limit DHCP leases to those with static assignments only
- Configurable DHCP lease time
- Servers retain configuration when enabled/disabled
- Multicast Routing Daemon
- PIM-SM Routing support
- More documentation on this implementation to come. Experiment with it and if it solves your needs.
- Other New Things:
- Windows SSL VPN Upgraded - New Client which supports X64 and many other options (download again via the UserPortal)
- Improved HTTP Caching - Increases hit/usage rates and makes the cache more effective.
- Quarantine/UserPortal Usability - Adds navigation to the bottom (supplementing the existing controls at the top), large amounts (250-1000) of displayed items per page, and sorting by subject line.
- Default Definition for "Internet" - Allows to specify "Internet" as an object which will exclude internal network(s) to aid policy creation (0.0.0.0/0 on Gateway interface)
- Customizable Shortcuts - Change the default Ctrl assignments to fit your preference
- Improved Definition/Services Sidebar - Mouseover now instantly shows full name and extended info to aid identifying desired object for drag n drop.
- User List shows static IPs - if assigned/configured (no need to edit in order to view)
- Live Log Negation - use to filter live logs to not show lines that match "-" entries i.e. -test to remove lines containing "test"
- Console/SSH Logins Trigger a notification - provides admin the needed insight when accessed.
- Instant Email Backup - Button for every created backup file which allows it to be sent immediately via email to configured addresses
- Custom text for notifications - Allows easier identification of which installation is sending the message. Especially useful if managing multiple sites using notifiers.
- Test NTP Sync - Button to immediately poll the configured NTP server
- Automatic Backup before Up2Date install
- Configurable Default for Lists - Allows for the amount of items per page (Packet Filter Rules, or anywhere there is a number amounts drop down) to have a larger default view
- Cluster/HA Serial Number View - Information on connected units made easier
- Schedule Firmware Installation - When an Up2Date for Firmware is available, you can schedule it to auto-install at a certain time (not a recurring setting)
- WebAdmin Network Section Split - Now two sections; "Network" and "Network Services" for usability.
- Search Boxes Retain Data - No need to re-enter query when returning from a drill down/result click.
- System Restart Reason - Allows logging of "why was system restarted" in the notification
- Group Tool tips for Members - Easily discern Network/Service Group members without having to edit in order to view
- Reporting Exclusions - Used to remove unwanted entries from various reports (such as Google-analytics from Web Security tables
- Log Flag for NAT Rules - Similar to packet filter, tells you which NAT rule was matched as part of traffic handling
- Masquerading for Additional IP Addresses - Allows the use of Masquerading (vs. just SNAT) for additional IPs bound to an interface
- Support for Multiple Authentication Servers - The authentication server section has been redesigned to support fallback/failover in an easier format, with many usability improvements
- SNMP MIB - Downloadable via the SNMP section of WebAdmin
- Up2date Status Reworked - Clarifies the current status of a Firmware Up2date to avoid confusion regarding the availability, download progress etc...of an issued Up2date.
- Inline/Snap Report Links - Directly moves the Admin to the relevant details report when browsing the embedded daily reports located throughout WebAdmin
- Global POP3 Sender Blacklist - Quarantined as "other" in the QM/EUP
- Dashboard RSS Feed - Provides visibility to select Astaro-issued items via WebAdmin
- Other magic features, enhancements, and usability improvements
Added: 2009-05-30 License: Free for non-commerc... Price: USD290.00
13 downloads
Other version of Astaro Security Linux
Astaro Corporation - This is an award-winning, unique network security solution. Astaro Security LinuxPrice: USD290.00
License:Free for non-commerc...
License:Free for non-commerc...
Astaro Corporation - Astaro Security Linux is an award-winning, unique network security solution in an integrated and easy-to-use and manage package. Astaro SecurityPrice: $290
License:Free for non-commercial use
License:Free for non-commercial use
Astaro Corporation - Astaro Security Linux brings you a powerful and perfect network security solution in an integrated and easy-to-use and manage package. AstaroPrice: USD290.00
License:Free for non
License:Free for non
Price: $290
License:Free for non-commercial use
License:Free for non-commercial use
Astaro Corporation - Astaro Security Linux is an award-winning, unique network security solution. Astaro Security Linux. Astaro Security Linux is an award-winningPrice: $290
License:Free for non-commercial use
License:Free for non-commercial use
SARA 7.0.2c
SARA, the Security Auditors Research Assistant is a third generation network security analysis tool. more>>
SARA, the Security Auditors Research Assistant is a third generation network security analysis tool.
Main features:
- Operates under Unix, Linux, MAC OS/X or Windows (through coLinux) OS.
- Supports the FBI/SANS Top 20 Consensus (8 Oct 04).
- Can adapt to many firewalled environments.
- Support remote self scan and API facilities.
- Used for CIS benchmark initiatives
- Plug-in facility for third party apps
- SANS/ISTS Certified
- CVE standards support (20040901)
- Enterprise search module
- Standalone or daemon mode
- Free-use open SATAN oriented license
- Updated twice a month (we try)
- User extension support
- Based on the SATAN model
The first generation assistant, the Security Administrators Tool for Analyzing Networks (SATAN) was developed in early 1995. It became the benchmark for network security analysis for several years. However, few updates were provided and the tool slowly became obsolete in the growing threat environment.
Enhancements:
- Extensive new features, new tests, and new database connectors.
- Many bugfixes and cleanups were made.
<<lessMain features:
- Operates under Unix, Linux, MAC OS/X or Windows (through coLinux) OS.
- Supports the FBI/SANS Top 20 Consensus (8 Oct 04).
- Can adapt to many firewalled environments.
- Support remote self scan and API facilities.
- Used for CIS benchmark initiatives
- Plug-in facility for third party apps
- SANS/ISTS Certified
- CVE standards support (20040901)
- Enterprise search module
- Standalone or daemon mode
- Free-use open SATAN oriented license
- Updated twice a month (we try)
- User extension support
- Based on the SATAN model
The first generation assistant, the Security Administrators Tool for Analyzing Networks (SATAN) was developed in early 1995. It became the benchmark for network security analysis for several years. However, few updates were provided and the tool slowly became obsolete in the growing threat environment.
Enhancements:
- Extensive new features, new tests, and new database connectors.
- Many bugfixes and cleanups were made.
Download (5.5MB)
Added: 2006-10-26 License: Freeware Price:
1094 downloads
GNU Generic Security Service Library 0.0.19
GNU Generic Security Service Library provides a Generic Security Service (GSS-API) implementation. more>>
GNU Generic Security Service Library provides a Generic Security Service (GSS-API) implementation.
It is used by network applications to provide security services, such as authenticating SMTP/IMAP, via the GSSAPI SASL mechanism.
It consists of a library and a manual, and a Kerberos 5 mechanism that supports mutual authentication and the DES and 3DES ciphers.
<<lessIt is used by network applications to provide security services, such as authenticating SMTP/IMAP, via the GSSAPI SASL mechanism.
It consists of a library and a manual, and a Kerberos 5 mechanism that supports mutual authentication and the DES and 3DES ciphers.
Download (1.4MB)
Added: 2007-02-24 License: GPL (GNU General Public License) Price:
972 downloads
UbuntuTrinux
UbuntuTrinux seeks to integrate elements of Trinux with the Debian/Ubuntu mkinitramfs infrastructure. more>>
UbuntuTrinux seeks to integrate elements (and code, where appropriate) of Trinux with the Debian/Ubuntu mkinitramfs infrastructure to allow easy development and packaging Ubuntu binary (and ultimately package and repository) compatible ramdisk distributions using recent 2.6.x kernels. As before, the most common use is network security monitoring and analysis.
Trinux: A Linux Security Toolkit was a ramdisk-based Linux distribution that was under active development from 1998-2003.
<<lessTrinux: A Linux Security Toolkit was a ramdisk-based Linux distribution that was under active development from 1998-2003.
Download (6.3MB)
Added: 2007-07-02 License: GPL (GNU General Public License) Price:
850 downloads
FreeBSDShield 0.1
FreeBSDShield is a DShield.org reporting client for FreeBSD and the ipfw firewall. more>>
FreeBSDShield is a DShield.org reporting client for FreeBSD and the ipfw firewall.
The project allows you to report attempted security breaches to the DShield cooperative firewall logging effort, which in turn helps the Internet Storm Center (and netizens at large) track trends in network security and catch emerging vulnerabilities.
Main features:
- Written in PHP5 for fast execution
- Parses ipfw-style /var/log/security logs
- Formats incident reports and submits to DShield.org
<<lessThe project allows you to report attempted security breaches to the DShield cooperative firewall logging effort, which in turn helps the Internet Storm Center (and netizens at large) track trends in network security and catch emerging vulnerabilities.
Main features:
- Written in PHP5 for fast execution
- Parses ipfw-style /var/log/security logs
- Formats incident reports and submits to DShield.org
Download (0.005MB)
Added: 2007-02-23 License: BSD License Price:
973 downloads
fe3d 0.11
fe3d is a multiplatform, SDL/OpenGL based 3D visualization tool for network (security) information. more>>
fe3d is a multiplatform, SDL/OpenGL based 3D visualization tool for network (security) information, it currently supports insecure.orgs nmap and [has very very limited support for] languard XML log files.
It has been tested and runs fine on Win32, IRIX and OS X, it should also function fine on Linux.
Inside the data directory there are a couple of xml files that will allow you to somewhat modify fe3ds behaviour. Everything is pretty self explanatory, but there are some comments inside just in case, most settings dont do anything yet.
fe_config.xml - The main configuration file for the program, allowes modification of png tag for screenshots (because we all love screenshots), some graphics settings (may not work), etc.
os_info.xml - Defines the textures and objects for displaying the OS and hardware information.
<<lessIt has been tested and runs fine on Win32, IRIX and OS X, it should also function fine on Linux.
Inside the data directory there are a couple of xml files that will allow you to somewhat modify fe3ds behaviour. Everything is pretty self explanatory, but there are some comments inside just in case, most settings dont do anything yet.
fe_config.xml - The main configuration file for the program, allowes modification of png tag for screenshots (because we all love screenshots), some graphics settings (may not work), etc.
os_info.xml - Defines the textures and objects for displaying the OS and hardware information.
Download (0.36MB)
Added: 2007-05-03 License: GPL (GNU General Public License) Price:
907 downloads
Sussen 0.90
Sussen is a tool for testing the security posture of computers and other network devices. more>>
Sussen is a tool that checks for vulnerabilities and configuration issues on computer systems. It is based on the Open Vulnerability and Assessment Language.
<<less Download (0.39MB)
Added: 2007-07-16 License: GPL (GNU General Public License) Price:
831 downloads
firewall 20020626
firewall is a set of scripts (firewall, fwup and fwdown) for ipchains. more>>
Firewall is a set of scripts (firewall, fwup and fwdown) that implement an ipchains firewall and various forms of network address and port translation. All you have to do is read the policy file and edit it to reflect your topology and filtering policy.
The policy file is composed of sections in which you need to specify: this hosts trusted and untrusted network interfaces; this hosts role and function within the network topology; the incoming and outgoing services to allow and the internal and external hosts that may take part in them. It has been designed to make this as painless and flexible as possible.
Each section contains detailed explanations and advice on things such as when to start the firewall and the security implications of various well known internet services and advice on how to allow them safely. It is intended to introduce administrators to some subtleties of packet filtering quickly so that they can make better informed security decisions and achieve and maintain effective network security (at least the packet filtering part) in a very short time. Of course, it will not prevent you from making bad network security, but you will have been warned.
Main features:
- Single Host (no forwarding, no address/port translation)
- Forwarding (no address/port translation)
- Masquerading (outgoing M:1 NAPT)
- Port Forwarding (Masquerading + incoming 1:M NAPT)
- Alias Port Forwarding (Masquerading + incoming N:M NAPT)
- Static NAT (incoming and outgoing 1:1 NAT)
<<lessThe policy file is composed of sections in which you need to specify: this hosts trusted and untrusted network interfaces; this hosts role and function within the network topology; the incoming and outgoing services to allow and the internal and external hosts that may take part in them. It has been designed to make this as painless and flexible as possible.
Each section contains detailed explanations and advice on things such as when to start the firewall and the security implications of various well known internet services and advice on how to allow them safely. It is intended to introduce administrators to some subtleties of packet filtering quickly so that they can make better informed security decisions and achieve and maintain effective network security (at least the packet filtering part) in a very short time. Of course, it will not prevent you from making bad network security, but you will have been warned.
Main features:
- Single Host (no forwarding, no address/port translation)
- Forwarding (no address/port translation)
- Masquerading (outgoing M:1 NAPT)
- Port Forwarding (Masquerading + incoming 1:M NAPT)
- Alias Port Forwarding (Masquerading + incoming N:M NAPT)
- Static NAT (incoming and outgoing 1:1 NAT)
Download (0.18MB)
Added: 2006-07-11 License: GPL (GNU General Public License) Price:
1349 downloads
Firewalk 5.0
Firewalk is an active reconnaissance network security tool. more>>
Firewalk is an active reconnaissance network security tool that attempts to determine what layer 4 protocols a given IP forwarding device will pass. Firewalk project works by sending out UDP or TCP packets with a TTL one greater than the targeted gateway.
If the gateway allows the traffic, it will forward the packets to the next hop where they will expire and elicit an ICMP_TIME_EXCEEDED message. If the gateway hostdoes not allow the traffic, it will likely drop the packets on the floor and we will see no response.
To get the correct IP TTL that will result in expired packets one beyond the gateway we need to ramp up hop-counts. We do this in the same manner that traceroute works. Once we have the gateway hopcount (at that point the scan is said to be `bound`) we can begin our scan.
It is significant to note the fact that the ultimate destination host does not have to be reached. It just needs to be somewhere downstream, on the other side of the gateway, from the scanning host.
<<lessIf the gateway allows the traffic, it will forward the packets to the next hop where they will expire and elicit an ICMP_TIME_EXCEEDED message. If the gateway hostdoes not allow the traffic, it will likely drop the packets on the floor and we will see no response.
To get the correct IP TTL that will result in expired packets one beyond the gateway we need to ramp up hop-counts. We do this in the same manner that traceroute works. Once we have the gateway hopcount (at that point the scan is said to be `bound`) we can begin our scan.
It is significant to note the fact that the ultimate destination host does not have to be reached. It just needs to be somewhere downstream, on the other side of the gateway, from the scanning host.
Download (0.079MB)
Added: 2006-03-03 License: BSD License Price:
1359 downloads
Secleted [ 0 ] software to compare
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