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08-25-2008 12:10 AM
08-25-2008 12:10 AM
FTP problem
Has anyone encountered this before?
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08-25-2008 12:34 AM
08-25-2008 12:34 AM
Re: FTP problem
To display the values of the systemwide parameters, enter the following command at the system prompt:
$ sysconfig -q inet
Is the setting way too high on your site ?
Wim
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08-25-2008 12:45 AM
08-25-2008 12:45 AM
Re: FTP problem
Tested it and ftp stops indeed after 22 seconds (to a node that is down).
Wim
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08-25-2008 05:04 AM
08-25-2008 05:04 AM
Re: FTP problem
The TCP_KEEPINIT value is 150. Attached is the output of $sysconfig -q inet.
Thanks
Ian
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08-25-2008 05:28 AM
08-25-2008 05:28 AM
Re: FTP problem
You can try a tcptrace to find out if what it was doing.
Could you post sys$specific:[tcpip]sysconfigtab.dat to see what was changed compared with the d4efaults ?
VMS / TCP version ?
Wim
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08-25-2008 10:43 AM
08-25-2008 10:43 AM
Re: FTP problem
As for an alternative guess, this could (also) be an attempt to script an ftp transfer here rather than using the DCL command COPY /FTP (and this command assuming the box is running V6.2 or later with a compatible IP stack), and that there's some sort of a DCL coding error here. There are various ways to get an ftp transfer job to hang, and timers are just one possibility.
Then there's that ftp is a protocol-level problem and a security problem and a firewall problem, but that's fodder for another discussion. sftp is my preferred choice for use on an open network...
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08-26-2008 02:54 AM
08-26-2008 02:54 AM
Re: FTP problem
The ftp "hangs" until aborted. The problem with the remote host is unknown.
HP TCP/IP Services for OpenVMS Alpha Version V5.4 on a hp AlphaServer GS1280 7/1150 running OpenVMS V7.3-2.
type sys$specific:[tcpip]sysconfigtab.dat gives error:
%TYPE-W-SEARCHFAIL, error searching for SYS$SPECIFIC:[TCPIP]SYSCONFIGTAB.DAT;
-RMS-E-DNF, directory not found
-SYSTEM-W-NOSUCHFILE, no such file
Example of the script:
$ ON ERROR THEN GOTO ERROR
$ @ACK$PROC:NAT-BATCH-SETUP
$ FTP XXX.XX.XX.XX /USER=XXXXXX/PASSWORD="XXXXXXX"
EXIT
$ @ACK$PROC:NAT-CHECK-STATUS $STATUS SELF
$ IF STATUS .NES. "0" THEN GOTO ERROR
$ @ACK$PROC:NAT-JOB-END NONE
$ @ACK$PROC:CHANGE-JOB-STATUS LOG461U P AXP2READY
$ @ACK$PROC:CHANGE-JOB-STATUS LOG461C P AXP3READY
$ EXIT
$ERROR:
$ @ACK$PROC:NAT-JOB-ABORT
$ @ACK$PROC:CHANGE-JOB-STATUS LOG461C P AXP3READY
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08-26-2008 03:04 AM
08-26-2008 03:04 AM
Re: FTP problem
Wim
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08-26-2008 03:07 AM
08-26-2008 03:07 AM
Re: FTP problem
Wim
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08-26-2008 03:26 AM
08-26-2008 03:26 AM
Re: FTP problem
DEFINE /SYSTEM/EXEC TCPIP$FTPD_KEEPALIVE 1
I just tested after doing ucx set servi /sock=keep. That's accepted but doesn't work. But the logical works.
Have the impression that keepalive for the initial connection always works. And I guess too that your remote site answered but the connection was lost. And without the logical it hangs forever. Note that with the logical you still have to wait a very long time before it aborts.
This is the contents of my config to avooid this long timeout.
inet:
# detect broken connection after 5 minutes instead of 2 hours
tcp_keepcnt=5
tcp_keepidle=120
tcp_keepintvl=120
Wim
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