Re: [asterisk-users] Can't block intrusion

On 1 Apr 2020, at 22:14, Greg Troxel wrote: > > I think you need to use tcpdump and turn up firewall debugging. sngrep is your friend …My bet is UDP vs TCP on firewall rules :-) Mark -- _ -- Bandwidth and Colocation

Re: [asterisk-users] Modems

Hi John Really depends on the speed of the modem in my experience even fax over voip is problematic outside a local network. Are they external modems? If so have you considered moving the modems to the remote site and tunnelling the serial port over the internet? That should be flawless.

Re: [asterisk-users] Detecting DoS attacks via SIP

Hi Mike In this case, if it’s coming from friendly scanner why not drop the packets at the firewall layer so that Asterisk never sees them? Mark > On 15 Aug 2017, at 20:37, mdiehl wrote: > > Hi all, > > Lately, I've seen an increase in the number of attacks against