Re: cyrus 2.5 imap idle/stuck connections (DOS like)
Wolfgang Breyha <[email protected]>
| Newsgroups | gmane.mail.imap.cyrus |
|---|---|
| Message-ID | <[email protected]> |
Heiler Bemerguy via Info-cyrus wrote on 07/03/2019 15:39: > Yes I've read imapd.conf and cyrus.conf and found no options to limit > connections per source IP or "idleness".. > > It means anyone can open a lot of connections to any port (143, 25, 110 etc) > and render the server unusable?? You can try to set imapidletimeout: <minutes> as documented in "man imapd.conf". To keep your server "RFC friendly" this value should not be lower than 30 minutes, because RFC 2177:3. recommends that clients show activity at least every 29 minutes. Greetings, Wolfgang -- Wolfgang Breyha <[email protected]> | https://www.blafasel.at/ Vienna University Computer Center | Austria ---- Cyrus Home Page: http://www.cyrusimap.org/ List Archives/Info: http://lists.andrew.cmu.edu/pipermail/info-cyrus/ To Unsubscribe: https://lists.andrew.cmu.edu/mailman/listinfo/info-cyrus