Timeout issues - VMS

This is a discussion on Timeout issues - VMS ; I have two identically configure Alpha ES80 servers. They have recently been upgraded to VMS8.3 & Multinet 5.2, with all the same patches installed on both. On 1 system any idle telnet connection gets dropped after 1 hour, on the ...

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Thread: Timeout issues

  1. Timeout issues

    I have two identically configure Alpha ES80 servers. They have recently
    been upgraded to VMS8.3 & Multinet 5.2, with all the same patches
    installed on both. On 1 system any idle telnet connection gets dropped
    after 1 hour, on the other system it will stay connected forever, which
    is what I want. Both systems have keep alive timers set





    Service "TELNET":

    TCP socket (AF_INET6,SOCK_STREAM), Port 23

    Socket Options = SO_KEEPALIVE

    Keepalive timers: idle 900 seconds, probe interval 75, 2 probes

    INIT() = Merge_Image

    LISTEN() = TCP_Listen

    CONNECTED() = TCP_Connected

    SERVICE() = Internal_Telnet

    Program = "MULTINET:LOADABLE_KERBEROS_TELNET"

    Backlog = 500





    . I've checked with the firewall guys and they verified that it is
    nothing on their side. Anyone have any ideas on what's happening











    Aaron Lewis

    Systems Programmer



    aaronlewis @users.com

    Phone: 800.523.7282 x1783

    Fax: 610.293.4416


    USERS Business Line
    Fiserv Credit Union Division
    1250 Drummers Lane
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  2. Re: Timeout issues

    Lewis, Aaron wrote:
    > I have two identically configure Alpha ES80 servers. They have recently
    > been upgraded to VMS8.3 & Multinet 5.2, with all the same patches
    > installed on both. On 1 system any idle telnet connection gets dropped
    > after 1 hour, on the other system it will stay connected forever, which
    > is what I want. Both systems have keep alive timers set
    >
    >
    >
    >
    >
    > Service "TELNET":
    >
    > TCP socket (AF_INET6,SOCK_STREAM), Port 23
    > Socket Options = SO_KEEPALIVE
    > Keepalive timers: idle 900 seconds, probe interval 75, 2 probes
    > INIT() = Merge_Image
    > LISTEN() = TCP_Listen
    > CONNECTED() = TCP_Connected
    > SERVICE() = Internal_Telnet
    > Program = "MULTINET:LOADABLE_KERBEROS_TELNET"
    > Backlog = 500
    >


    I'd start a tcpdump, start a telnet session, let it be idle and
    get dropped and see who is closing the connection and why.

    $ mu tcpdump host and port telnet

    --Mike


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