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Thread: csf problem

  1. #1
    Join Date
    Dec 2009
    Posts
    122

    csf problem

    Jan 3 21:51:59 server kernel: Firewall: *UDP_IN Blocked* IN=eth0 OUT= MAC=0a:22:c5:4b:83:21:20:0d:db:36:31:c3:02:00 SRC=87.136.67.34 DST=207.134.254.66 LEN=48 TOS=0x00 PREC=0x00 TTL=110 ID=11130 DF PROTO=TCP SPT=1064 DPT=1373 WINDOW=16384 RES=0x00 SYN URGP=0

    I'm getting a lot of these in /var/log/messages. What does it mean?
    Im using CSF

  2. #2
    This merely indicates that the firewall blocked an incomming connection to a specific port, for a specific IP. I believe you can disable logging somehow if you want to stop getting the messages.
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  3. #3
    Join Date
    Jan 2008
    Posts
    84
    Don't mind it. Its just the firewall logging blocked traffic.

  4. #4
    yup right its even showing the mac address.

  5. #5
    Join Date
    Dec 2009
    Posts
    122
    Quote Originally Posted by fierceservers View Post
    This merely indicates that the firewall blocked an incomming connection to a specific port, for a specific IP. I believe you can disable logging somehow if you want to stop getting the messages.
    How?

    The problem is that I'm getting those messages and blocked IP addresses every a couple of secs and it's getting annoying already

  6. #6
    Join Date
    Jun 2009
    Location
    Va Beach, Va.
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    102
    Quote Originally Posted by PirateSolutions View Post
    How?

    The problem is that I'm getting those messages and blocked IP addresses every a couple of secs and it's getting annoying already

    This means that CSF is doing it's job

    If you do want to disable the logging, I believe you can find it under this variable inside the config:

    # Enable logging of dropped connections to blocked ports to syslog, usually # /var/log/messages. This option needs to be enabled to use Port Scan Tracking DROP_LOGGING = Default: 1
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