Dant's Wiki info:networking

Capture Filters for Ethereal

Wed, 24 Sep 2008 01:29:22 +0600

This is a primer for designing capture filters for Ethereal/Wireshark. Designing capture filters for Ethereal/Wireshark requires some basic knowledge of tcpdump syntax. The tcpdump man page is your source for complete information regarding syntax and supported primitives. Tcpdump syntax will be the first section covered in this primer. We will use what is covered in this first section to build our basic filter set. Finally, we will enter our filter strings into Ethereal/Wireshark. If you do not …

Active FTP vs. Passive

Tue, 14 Jan 2014 13:16:25 +0600

Introduction One of the most commonly seen questions when dealing with firewalls and other Internet connectivity issues is the difference between active and passive FTP and how best to support either or both of them. Hopefully the following text will help to clear up some of the confusion over how to support FTP in a firewalled environment.

IP Адресация

Thu, 02 Oct 2008 11:52:21 +0600

Ссылки IP workshop Pro IP workshop Lite Приватные ip адреса RFC1918 CIDR Mask Range 10.0.0.0/8 255.0.0.0 10.0.0.0 -> 10.255.255.255 172.16.0.0/12 255.240.0.0 172.16.0.0 -> 172.31.255.255 192.168.0.0/16 255.255.0.0 192.168.0.0 -> 192.168.255.255 Специальные ip адреса CIDR Usage RFC 10.0.0.0/8 Private Use RFC1918 172.16.0.0/12 Private Use RFC1918 192.168.0.0/16 Private Use RFC191…