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Thread: Block port 25 lan to wan

  1. #1
    Join Date
    Feb 2008
    Location
    Copenhagen, Denmark
    Posts
    41

    Block port 25 lan to wan

    Hi,

    i have some problems with one of my computers and my internetprovider. I am told that I have a computer sending spammails.

    I assume the mails are being send though port 25. I have looked at the lan to wan filter, but I do not know how to configure it.

    Can anyone help me blocking port 25 on my router (firmware 1.9.2.7-rtn)

  2. #2
    Join Date
    Dec 2007
    Location
    The Netherlands - Eindhoven
    Posts
    1,767
    That doesn't sound like the proper solution to fix this problem to me

    Instead you should clean your pc from the spy and malware it has
    The spammers might very well use a proxy to prevent the firewall rule from doing anything at all...

    assuming you have windows?
    if you don't have an anti-virus, get the basic (free) microsoft one: http://windows.microsoft.com/da-DK/w...ity-essentials
    if you have avg... get rid of it, the quality isn't wat is has used to be

    For spyware I could recommend the free version of super anti spyware: http://superantispyware.com/

    if you have a unix system... well you have clamav: http://www.clamav.net/

    see if that's able to get rid of that nasty spambot

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