by Dave Grube » Thu, 22 Jan 1998 04:00:00
Greetings,
Latetly when using Pine 3.95 under HP-UX 10.20, when writing
fcc appears, pine will hang. Is this a known problem, or is
there a fix available?
Any help would be greatly appreciated!
Thanks!
-Dave
--
Dave Gruber |
Altair Computing Inc. | http://www.altair.com
1757 Maplelawn Dr., Troy, MI 48084 |
by Chris Gr » Thu, 22 Jan 1998 04:00:00
Probably Pine is configured in such a way that it starts up sendmailQuote: writes:
> Latetly when using Pine 3.95 under HP-UX 10.20, when writing
> fcc appears, pine will hang. Is this a known problem, or is
> there a fix available?
Then again, it could be something else entirely. :)
--
Chris Gray
1. Hung sendmail-8.9.1 processes on HP-UX 10.20
I was testing out the access_db feature with sendmail-8.9.1 which I
compiled under HP-UX 10.20 and I have noticed a problem.
I'm using /etc/mail/access.db, with the source containing the following
for testing purposes:
I telneted to port 25 after running makemap and this is what my session
looked like after the EHLO command:
rset
250 Reset state
At this point, the connection 'hangs'. From the client side, I can kill
the connection, but on the machine running the sendmail daemon, the
sendmail process continues to run. It's been running for almost 24 hours
now.
I can send it a SIGUSR1 with kill, resulting in the following syslog
entries:
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: --- dumping state on user
signal: $j = xyz0.cc.uic.edu ---
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: CurChildren = 0
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: --- open file
descriptors: ---
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 0: fl=0x0, mode=20666:
CHR: size=0
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 1: CANNOT STAT (Invalid
argument)
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 2: fl=0x1, mode=20666:
CHR: size=0
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 3: fl=0x10001,
mode=10666: FIFO: size=4096
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 4: CANNOT STAT (Invalid
argument)
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 5: CANNOT STAT (Invalid
argument)
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 7: fl=0x0, mode=100600:
size=40960
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: 8: fl=0x0, mode=100644:
size=40960
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: --- connection cache: ---
Jul 15 15:06:46 xyz0 sendmail[12528]: NOQUEUE: --- end of state dump ---
NB: I've set Timeout.command=20m using confTO_COMMAND in my m4 source.
I just tried a similar SMTP conversation with a valid MAIL FROM: ....
command (i.e. passes access_db checks) and it seems the RSET followed by
a new and valid MAIL FROM: ... also hangs.
Has anyone seen this? Seems like an easy way to create a DOS attack. I
have yet to try this on another OS.
Thanks,
Vinod Kutty.
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