Can't Block .js files inside of .zip Email Attachments
mickael.maillot at gmail.com
Fri May 13 12:17:24 CEST 2016
I just want to warn you because 7zip cannot decode corruption zip and will
not even list files in it.
It's why i switch back to unzip to decode zip.
2016-05-10 20:04 GMT+02:00 Maurizio Marini <maumar at datalogica.com>:
> On Fri, 6 May 2016 15:24:10 +0000
> "Kirchner, Patrick" <KirchnerPA at lakeland.edu> wrote:
> > An infected .js file in a .zip file that made its way through the email
> > server was luckily blocked by antivirus on my wife's Mac, so I'd really
> > to be able to block such files. I can provide an sample of one of the
> > files if it would be helpful.
> Hello Patrick
> I had the same issue, you have to raise log level, then you can check if
> file is unzipped; js are blocked, but ziped files should be opened
> I solved by installing p7zip
> this is not enough, you should configure amavis to use it whan you receive
> I used this
> ['zip', \&Amavis::Unpackers::do_7zip, ['7z','7za'] ],
> I am not an expert at all, I am very lame and I can't say this is the
> proper solution, what I note was that after this configuration zipped
> attachments were correctly opened
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