[lkml]   [2005]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: PMTU, MSS and "fragmentation needed" problem with linux?
    from my shorewall.conf.
    # Set this variable to "Yes" or "yes" if you want the TCP "Clamp MSS to
    # option. This option is most commonly required when your internet
    # interface is some variant of PPP (PPTP or PPPoE). Your kernel must
    # [From the kernel help:
    # This option adds a `TCPMSS' target, which allows you to alter the
    # MSS value of TCP SYN packets, to control the maximum size for that
    # connection (usually limiting it to your outgoing interface's MTU
    # minus 40).
    # This is used to overcome criminally braindead ISPs or servers which
    # block ICMP Fragmentation Needed packets. The symptoms of this
    # problem are that everything works fine from your Linux
    # firewall/router, but machines behind it can never exchange large
    # packets:
    # 1) Web browsers connect, then hang with no data received.
    # 2) Small mail works fine, but large emails hang.
    # 3) ssh works fine, but scp hangs after initial handshaking.
    # ]
    # If left blank, or set to "No" or "no", the option is not enabled.

    see also:
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-04-07 19:36    [W:0.019 / U:44.708 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site