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Thread: Incoming Port 25 Blocked?

  1. #1
    Join Date
    Feb 2009
    Posts
    2

    Default Incoming Port 25 Blocked?

    Am I completely missing something here? I have exim running:

    Code:
    101       7633  0.0  1.4   6108   872 ?        Ss   00:40   0:00 /usr/sbin/exim4 -bd -q30m
    No firewall rules:

    Code:
    :~# iptables -L
    Chain INPUT (policy ACCEPT)
    target     prot opt source               destination         
    
    Chain FORWARD (policy ACCEPT)
    target     prot opt source               destination         
    
    Chain OUTPUT (policy ACCEPT)
    target     prot opt source               destination

    And it is listing in port 25:

    Code:
    :~# netstat -a
    Active Internet connections (servers and established)
    Proto Recv-Q Send-Q Local Address           Foreign Address         State      
    tcp        0      0 *:ftp                   *:*                     LISTEN     
    tcp        0      0 *:ssh                   *:*                     LISTEN     
    tcp        0      0 *:smtp                  *:*                     LISTEN     
    tcp        0      0 *:pop3                  *:*                     LISTEN     
    tcp        0      0 *:www                   *:*                     LISTEN     
    tcp6       0      0 [::]:ssh                [::]:*                  LISTEN     
    tcp6       0      0 [::]:smtp               [::]:*                  LISTEN

    Yet, I cannot connect to it on port 25, nmap shows it as filtered. Any thoughts?

  2. #2
    Join Date
    Feb 2009
    Posts
    2

    Default

    Nevermind, evidently my ISP is blocking outgoing 25. Oops.

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