Community discussions

MUM Europe 2020

Search found 4 matches

by Martijnscheffer
Thu Jan 09, 2014 11:49 am
Forum: General
Topic: Block SIP attacks using Mikrotik Firewall
Replies: 7
Views: 10469

Re: Block SIP attacks using Mikrotik Firewall

Ok, but we have locations with over 20 sip devices.
If the router reboots, they will all try to register at the same time and the IP will definately get blocked.
by Martijnscheffer
Fri Jan 03, 2014 5:02 pm
Forum: General
Topic: Block SIP attacks using Mikrotik Firewall
Replies: 7
Views: 10469

Re: Block SIP attacks using Mikrotik Firewall

Unfortunately we found this not to work after doing more testing. All the rule does is block an IP if there is a second connection coming in from the same IP within 15 seconds. (despite registration). If a customer would try to register 2 or more SIP devices at the same time his IP would get blocked...
by Martijnscheffer
Thu Dec 05, 2013 3:36 pm
Forum: General
Topic: Block SIP attacks using Mikrotik Firewall
Replies: 7
Views: 10469

Re: Block SIP attacks using Mikrotik Firewall

Hi Aaronhun22. I have been testing it and it seems work well in a small test envirement, now going to implement it on our main routers. I have been trying to find a good solution for a while now and have tried all sorts of complicated things. Yours however seems fairly simple, yet most effective sol...
by Martijnscheffer
Wed Dec 04, 2013 1:30 pm
Forum: General
Topic: Block SIP attacks using Mikrotik Firewall
Replies: 7
Views: 10469

Block SIP attacks using Mikrotik Firewall

Hi, Sorry I am new to the forum so let me know if I add this topic to the incorrect section. I am using an RB1200 v5.21 and trying to setup a firewall to block unwanted SIP traffic / attacks to my Asterisk server, withouth blocking the IP´s from the genuine customers. Have tried to block IP addresse...