On 06/16/2011 07:48 AM, Sebastian Hagedorn wrote: >> Thanks for the reply. I need a specific system (mac address) only should >> be able to use imap and pop service with the help of cyrus. > > That doesn't make it much clearer. You know that MAC addresses are only > visible in a local subnet, right? Why don't you restrict access by IP > address? I have a hard time imagining a reasonable scenario where what > you ask for is necessary ... that's why I was asking what you're trying > to achieve. > > To answer your original question, I don't think there is any mechanism > that allows for restricting access based on MAC address. Certainly not > within Cyrus, possibly using iptables or such. Something like this should work. iptables -I INPUT -p tcp -m mac ! --mac-source xx:xx:xx:xx:xx:xx -m multiport --dports 110,143 -j DROP > -- > Sebastian Hagedorn - RZKR-R1 (Flachbau), Zi. 18, Robert-Koch-Str. 10 > Regionales Rechenzentrum (RRZK) > Universität zu Köln / Cologne University - Tel. +49-221-478-5587 > > > > ---- > Cyrus Home Page: http://www.cyrusimap.org/ > List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/
