I tested on a 6.5 and it worked perfectly. Unfortunately now it does not work for me. RouterBOARD 962UiGS-5HacT2HnT Current firmware: 6.42.1 The Mikrotik can not establish a connection with mppe encryption (w/o IPSEC, because it is very difficult in our case to redirect the entire local network to ...

Can you please post the rules used? I have spent couple of days, having studied a subject and other branches of a forum, haven't found the ready solution, have as a result made itself thus. Rules for blocking of SIP brute force activity. /ip firewall filter add action=drop chain=input comment="...