Problem with check_ftp not closing connection properly?
Karl DeBisschop
karl at debisschop.net
Tue Feb 18 15:29:29 CET 2003
On Tue, 2003-02-18 at 01:38, Fredrik Wänglund wrote:
>
>
> >On Sat, Feb 15, 2003 at 07:56:41AM -0500, Karl DeBisschop wrote:
> >> by default, check_tcp just maust the connection and drops it.
> >>
> >> Try specifying a string to send
> >>
> >> check_tcp -s QUIT -H <host>
> >>
> >> Please let us know if that works, there are sketchy reports of bugs in
> >> check_tcp that we'd really like to iron out before we release the 3rd
> >> beta early next week.
> >
> >I assume you meant "check_ftp -s QUIT -H <host>". :-) I tried that and
> >it does the same thing. If I telnet to port 21 and type QUIT, it doesn't
>
> Maybe because of this;
>
> [nagios at pistol nagios]# cd libexec/
> [nagios at pistol libexec]# file check_ftp
> check_ftp: symbolic link to check_tcp
> [nagios at pistol libexec]#
That is correct - the send/expect/quit strings are the only things that
differ between check_pop, check_imap, check_simap, check_tcp,
check_imap, check_spop, check_smtp. So to reduce the chance of
typo-induced bugs, they are combined into one piece of code that morphs
based on invocation name.
--
Karl
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