ICMP type 3 Code 4

Discussion in 'LnS English Forum' started by jon_fl, Dec 12, 2004.

Thread Status:
Not open for further replies.
  1. jon_fl

    jon_fl Registered Member

    Joined:
    Sep 4, 2004
    Posts:
    242
    Should I allow ICMP: type 3 code 4? If so, outbound, inbound or both? Are there any security concerns? Thanks. :doubt:
     
    Last edited: Dec 12, 2004
    jon_fl, Dec 12, 2004
    #1
  2. ArtLonger

    ArtLonger Registered Member

    Joined:
    Dec 9, 2004
    Posts:
    9
    Inbound.

    ICMP Type 3 - Destination Unreachable Message

    IP Fields: Destination Address
    The source network and address from the original datagram's data.

    ICMP Fields: Type 3
    Code:
    0 = net unreachable;
    1 = host unreachable;
    2 = protocol unreachable;
    3 = port unreachable;
    4 = fragmentation needed and DF set;
    5 = source route failed.
     
    ArtLonger, Dec 13, 2004
    #2
Thread Status:
Not open for further replies.
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Accept Learn More...