Nazaretyan's blog blog about everthing ….

30Nov/092

AntiDDOS or magic shield :)

DDOS what does it means, and how to prevent it read here :)

24Nov/090

Routing for multiple uplinks/providers

A common configuration is the following, in which there are two providers that connect a local network (or even a single machine) to the big Internet.

                                                                 ________
                                          +------------+        /
                                          |            |       |
                            +-------------+ Provider 1 +-------
        __                  |             |            |     /
    ___/  \_         +------+-------+     +------------+    |
  _/        \__      |     if1      |                      /
 /             \     |              |                      |
| Local network -----+ Linux router |                      |     Internet
 \_           __/    |              |                      |
   \__     __/       |     if2      |                      \
      \___/          +------+-------+     +------------+    |
                            |             |            |     \
                            +-------------+ Provider 2 +-------
                                          |            |       |
                                          +------------+        \________

There are usually two questions given this setup.

9Nov/090

ECMP load balancing with masquerade

Introduction

This example is improved (different) version of round-robin load balancing example. It adds persistent user sessions, i.e. a particular user would use the same source IP address for all outgoing connections. Consider the following network layout:

8Nov/090

linux, windows, mac

funny picture about operation systems .... funny but true ...

1173542275515nc8

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6Nov/093

PPTP client

how to configure PPTP client under linux :) ?

here is a site http://pptpclient.sourceforge.net/documentation.phtml where you can find very good documantation regarding your version of linux :)

for me its Debian and i post here how to config :P

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