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Using ip protocol 250 in fw rules

dchik
Hi,
How I can use ip protocol 250 in fw rules.
I have software which connents to server 
via ip protocol 250.
I want to place fw between client and server.


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Parents Reply
  • 0 in reply to dchik
    hooray, someone found the scotty protocol and described it
    in the ip protocol 250 - how to beam through IP     

    But maybe I am just stupid or have something overseen.
    Could you please clarify what protocol 250 should be? 
    It appears as unassigned in RFC 1700.

    read you
    o|iver
Children
  • 0 in reply to oliver.desch
    Hello,
    I want to ask differently:
    In iptables rule I can simply write:
    IPTABLES -A OUTPUT -p 250 *************
    and this rule will accept only the packets that
    have PROTO=250 in packet header.

    See bellow tcpdump log for that packets.

    10:36:25.380181 xxx.xxx.xxx.xxx > xxx.xxx.xxx.xxx:  ip-proto-250 56 (DF)
    10:36:25.387587 xxx.xxx.xxx.xxx > xxx.xxx.xxx.xxx:  ip-proto-250 70
    10:36:25.395986 xxx.xxx.xxx.xxx > xxx.xxx.xxx.xxx:  ip-proto-250 70
    10:36:25.396263 xxx.xxx.xxx.xxx > xxx.xxx.xxx.xxx:  ip-proto-250 56 (DF)

    I just need to know can I perform the same filtering using Astaro Firewall or not.
      [:S]