Re: TCP disconnects of idle connections using ip-masquerading.
Keith Owens (kaos@ocs.com.au)
Thu, 28 May 1998 18:02:31 +1000
On Thu, 28 May 1998 17:47:40 +1000,
Robert Cohen <robert@apex.net.au> wrote:
>I'm using PPP and ip-masquerading to connect a lan to the Internet.
>The ppp box is running 2.0.30
>
>I find that telnet sessions from another machine on the network die
>after about 10 minutes idle.
>Is this a known problem, perhaps something to do with TCP keepalives?
Known feature of IP masquerading. Idle sessions are dropped, there are
only a limited number of masquerade port numbers so unused sessions are
removed pretty quickly. "ipfawdm -s tcp tcpfin udp" sets masquerading
timeout values.
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