Rule to allow internal zip files/block external
mailscanner at ecs.soton.ac.uk
Mon Feb 9 20:08:42 GMT 2004
At 16:35 09/02/2004, you wrote:
>I am currently running MS 4.26.7, SA 2.63.1, on red hat 9.0. Because of
>the recent flood of *.zip attachment viruses we currently block all the
>standard attachments as well as all zip attachments. Is there a way to
>allow to local users to send zip files within our local site, while still
>blocking external zip attachments from entering our system?
Use a ruleset to point at different filename.rules.conf files.
First ban zip files in your main filename.rules.conf file. Copy one of the
other deny lines and put it right near the top of the file. Make sure the 4
sections of the line are separated with tabs and not spaces.
Then copy the file to filename.allowzip.rules.conf. Change the deny zip to
allow zip (use one of the other allow lines as a template). Make sure it's
near the top of the file so gets acted on very early.
Then create a ruleset in /etc/MailScanner/rules/filenameconf.rules
FromAndTo: yourdomain.com /etc/MailScanner/filename.allowzip.rules.conf
FromOrTo: default /etc/MailScanner/filename.rules.conf
Finally, in /etc/MailScanner.conf, put this
Filename Rules = /etc/MailScanner/rules/filenameconf.rules
and then restart or reload MailScanner.
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