If you're having network connectivity problems, traceroute will show you where the trouble is coming from along the route.
I hope its useful.
Ngrep is a pcap-aware tool that will allow you to specify extended regular expressions to match against data payloads of packets.It can be used to print out the headers of packets on a network interface that matches a given expression.Lsof is a Unix-specific diagnostic tool.Description: packet sniffer and monitoring tool sniffit is a packet sniffer for TCP/UDP/icmp packets.It is a program created to help in the processing of unix system logfiles generated by the various Abacus Project tools, system daemons, Wietse Venema's TCP Wrapper and Log Daemon packages, and the Firewall Toolkit by Trusted Information Systems Inc.(TIS).Sniffit is able to give you very detailed technical info on these packets (SEC, ACK, TTL, Window,.) but also packet contents in different formats (hex or vice city full crack vn-zoom plain text, etc.
It can also be run in web mode, which allows the display to be browsed with a web browser.
Used with system files on a regular (e.g., daily) basis, Tripwire can notify system administrators of corrupted or tampered files, so damage control measures can be taken in a timely manner., tool Name : Sniffit, uRL : ml, debian Package Name : sniffit.
Org/ Debian Package Name : iptables Description: IP packet filter administration for.4.X kernels Iptables is used to set up, maintain, and inspect the tables of IP packet filter rules in the Linux kernel.Traceroute is used as a network debugging tool.Its name stands for LiSt Open Files, and it does just that.Note that hunt is operating on Ethernet and is best used for connections which can be watched through.This software may be freely imported into the United States; however, the United States Government may consider re-exporting it a criminal offense.
Snort has a real-time alerting capability, with alerts being sent to syslog, a separate "alert" file, or even to a Windows computer via Samba., tool Name : Ethereal, uRL : http ethereal.