alert tcp $EXTERNAL_NET any -> $HOME_NET 465 (msg:"[ZIMBRA] Postfix/SMTPS/SMTPD - Brute force [5/3]"; content: "authentication failed"; flowbits: set,brute_force,21600; classtype: unsuccessful-user; reference: url,wiki.quadrantsec.com/bin/view/Main/5003027; parse_src_ip: 1; program: zimbra; after: track by_src, count 5, seconds 900; threshold: type limit, track by_src, count 3, seconds 900; fwsam: src, 1 day; sid:5003027; rev:1;)

-- Main.Sagan-Wiki-Add - 2016-12-30

New revisions of 5003027 will be below...

Topic revision: r1 - 2016-12-30 - Sagan-Wiki-Add
 
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