Re: [qmailtoaster] POP3 address harvesting
Am Donnerstag, 27. September 2007 03:38 schrieb Todd W: From: Kevin Katz [EMAIL PROTECTED] We have recently been flooded by bots hitting the pop3 looking for valid email addresses. Most of our clients use pop3-ssl, which the bots don't seem to touch that, but I hate to shut down pop3 access all together. Has anyone on the list come up with a solution to limit the number of invalid pop3 login attempts. The most effective thing I've found to do is implement throttling via blockhosts or similar. This is a layer above QMT, which is nice because it generally works on all things linux. Regards, Todd W. Have a look at sshdfilter. a tool written for ssh-attacks but can be customized to monitor pop3 or every service you want. http://www.csc.liv.ac.uk/~greg/sshdfilter/ Regards, Andreas - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
[qmailtoaster] POP3 address harvesting
We have recently been flooded by bots hitting the pop3 looking for valid email addresses. Most of our clients use pop3-ssl, which the bots don't seem to touch that, but I hate to shut down pop3 access all together. Has anyone on the list come up with a solution to limit the number of invalid pop3 login attempts. Thank You Kevin - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [qmailtoaster] POP3 address harvesting
Do you mean via smtp??? -Original Message- From: Kevin Katz [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 26, 2007 2:28 PM To: qmailtoaster-list@qmailtoaster.com Subject: [qmailtoaster] POP3 address harvesting We have recently been flooded by bots hitting the pop3 looking for valid email addresses. Most of our clients use pop3-ssl, which the bots don't seem to touch that, but I hate to shut down pop3 access all together. Has anyone on the list come up with a solution to limit the number of invalid pop3 login attempts. Thank You Kevin - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
RE: [qmailtoaster] POP3 address harvesting
No, POP3. -Original Message- From: Helmut Fritz [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 26, 2007 3:17 PM To: qmailtoaster-list@qmailtoaster.com Subject: RE: [qmailtoaster] POP3 address harvesting Do you mean via smtp??? -Original Message- From: Kevin Katz [mailto:[EMAIL PROTECTED] Sent: Wednesday, September 26, 2007 2:28 PM To: qmailtoaster-list@qmailtoaster.com Subject: [qmailtoaster] POP3 address harvesting We have recently been flooded by bots hitting the pop3 looking for valid email addresses. Most of our clients use pop3-ssl, which the bots don't seem to touch that, but I hate to shut down pop3 access all together. Has anyone on the list come up with a solution to limit the number of invalid pop3 login attempts. Thank You Kevin - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Re: [qmailtoaster] POP3 address harvesting
From: Kevin Katz [EMAIL PROTECTED] We have recently been flooded by bots hitting the pop3 looking for valid email addresses. Most of our clients use pop3-ssl, which the bots don't seem to touch that, but I hate to shut down pop3 access all together. Has anyone on the list come up with a solution to limit the number of invalid pop3 login attempts. The most effective thing I've found to do is implement throttling via blockhosts or similar. This is a layer above QMT, which is nice because it generally works on all things linux. Regards, Todd W. - QmailToaster hosted by: VR Hosted http://www.vr.org - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]