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Hi gang, I have my own mail server. I am running RED HAT 9 /sendmail. Everyday I am getting password hack attempts. Some try 3-4 times and can't get in ...
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  1. #1
    Linux Engineer adrenaline's Avatar
    Join Date
    Aug 2004
    Location
    Seattle, Washington
    Posts
    1,058

    deny IP


    Hi gang,
    I have my own mail server. I am running RED HAT 9 /sendmail.
    Everyday I am getting password hack attempts. Some try 3-4 times and can't get in and quit others are relentless. I am lucky so far and have not been hacked. I would like to take the relentless offenders and deny their IP. I know they can get on another computer but if I can at least lock the doors and keep the general hackers out I would at least be doing something. Anyways I believe hosts.deny only says not to allow IP's not to use my services. but is there a better way of doing this? Is there a way I can get my NIC card not to let certain IP's to even attempt?
    I hope this makes sense,
    Mike

  2. #2
    Linux Engineer jledhead's Avatar
    Join Date
    Oct 2004
    Location
    North Carolina
    Posts
    1,077
    you could use a firewall rule
    http://www.netadmintools.com/art216.html

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