> From [EMAIL PROTECTED] Thu Feb 12 16:49:05 2004
> Date: Thu, 12 Feb 2004 18:57:12 -0500 (EST)
> From: "James.Q.L" <[EMAIL PROTECTED]>
> Subject: LPRng: what is OffendingCommand ?
> To: [EMAIL PROTECTED]
>
> print job halted during printting. following is the log.
>
> OffendingCommand type of error is the only one cause problem on the print server. It
> doesn't
> happen too often but i want to know how to avoid it.
>
> Filter_status: Put_inbuf_len: buffer '%%[ Error: interrupt; OffendingCommand: file
> ]%%^M
> Filter_status: %%[ Flushing: rest of job (to end-of-file) will be ignored ]%%^M
> Filter_status: ' at 17:36:30.787
> Filter_status: Get_inbuf_str: found '%%[ Error: interrupt; OffendingCommand: file
> ]%%' at
> 17:36:30.787
> Filter_status: Pr_status: start str '%%[ Error: interrupt; OffendingCommand: file
> ]%%', pjlvar
> '<NULL>', infovar 0 at 17:36:30.787
> Filter_status: Pr_status: PostScript info ' Error: interrupt; OffendingCommand:
> file ' at
> 17:36:30.788
This is an error message from the PostScript interpreter on the printer. The
'offending command' is an 'open file' command, which may indicate an attempt
by a hacker to send the dreaded 'open the /etc/passwd file and print it, thank
you!' PostScript hack that I have noted several years ago. Useful when people are
using GhostScript and do not use the -sPARANOIDSAFER flag.
Patrick ("The truth will set you free, but lies will get you elected") Powell
Note: I was amazed when 'autosign' came up with this one. Must be from the
last election 4 years ago.
autosign goes through about 2000 sign lines that I have used over the years
and pops up one for me to use.
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