Blocking from Lan to Wan on port 25

  • I'm trying to block all traffic from any PC's to the Wan on port 25 except from my mail server which is  I've tried to configure the rule and always end up blocking all traffic including mail server or block nobody.  Currently the rule is set as follows

    The way I read this current rule is that it blocks all but to connect to the WAN on port 25. However it allows anybody on the LAN to connect.
    If I change Source to "LAN net" than it blocks the mail server as well.
    I'm using Version 1.2-RC3.

    Any help is greatly appreciated.

  • Destination should be any.
    WAN address means exactly that. The address of the WAN.

  • That worked. Thank You.

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