<div dir="ltr"><div dir="ltr"><br></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 17, 2021 at 8:37 AM Steven Schoch <<a href="mailto:schoch%2Bfreeswitch.org@xwin32.com">schoch+freeswitch.org@xwin32.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">I just set up a new FreeSWITCH system on my home network, and set a forward for port 5080 to connect to Flowroute. While I'm debugging some call routing stuff, my logs are getting overrun with stuff like this: <div><br></div><div>





<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo"><span style="font-variant-ligatures:no-common-ligatures"><font color="#33bbc8">2021-03-16 15:52:02.267501 [NOTICE] switch_channel.c:1118 New Channel sofia/external/7750@</font><span style="background-color:rgb(255,255,255)"><font color="#3d85c6"><my IP></font></span><font color="#33bbc8"> [2de89b87-cd07-4c0f-b9fb-3da8e5a68d37]</font></span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:585 (sofia/external/7750@<my IP>) Running State Change CS_NEW (Cur 1 Tot 7822)</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] sofia.c:10280 sofia/external/7750@<my IP> receiving invite from <a href="http://80.94.93.12:62635" target="_blank">80.94.93.12:62635</a> version: 1.10.5 -release-17-25569c1631 64bit</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] sofia.c:7326 Channel sofia/external/7750@<my IP> entering state [received][100]</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] sofia.c:7336 Remote SDP:</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">v=0</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">o=- 81921704 81921704 IN IP4 0.0.0.0</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">s=pplsip</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">c=IN IP4 0.0.0.0</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">t=0 0</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">m=audio 7628 RTP/AVP 100 6 0 8 3 18 5 101</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">a=rtpmap:100 speex/16000</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">a=rtpmap:101 telephone-event/8000</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">a=fmtp:101 0-11</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">a=alt:1 1 : DF50DC48 0000001F 0.0.0.0 7628</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(0,0,0);min-height:16px"><span style="font-variant-ligatures:no-common-ligatures"></span><br></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] sofia.c:7739 (sofia/external/7750@<my IP>) State Change CS_NEW -> CS_INIT</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:604 (sofia/external/7750@<my IP>) State NEW</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:585 (sofia/external/7750@<my IP>) Running State Change CS_INIT (Cur 1 Tot 7822)</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:628 (sofia/external/7750@<my IP>) State INIT</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] mod_sofia.c:93 sofia/external/7750@<my IP> SOFIA INIT</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:40 sofia/external/7750@<my IP> Standard INIT</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:48 (sofia/external/7750@<my IP>) State Change CS_INIT -> CS_ROUTING</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:628 (sofia/external/7750@<my IP>) State INIT going to sleep</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:585 (sofia/external/7750@<my IP>) Running State Change CS_ROUTING (Cur 1 Tot 7822)</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_channel.c:2332 (sofia/external/7750@<my IP>) Callstate Change DOWN -> RINGING</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:644 (sofia/external/7750@<my IP>) State ROUTING</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] mod_sofia.c:154 sofia/external/7750@<my IP> SOFIA ROUTING</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(175,173,36)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [DEBUG] switch_core_state_machine.c:236 sofia/external/7750@<my IP> Standard ROUTING</span></p>
<p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(52,188,38)"><span style="font-variant-ligatures:no-common-ligatures">2021-03-16 15:52:02.267501 [INFO] mod_dialplan_xml.c:637 Processing 7750 <7750>->900442037697855 in context public</span></p><p style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-stretch:normal;font-size:14px;line-height:normal;font-family:Menlo;color:rgb(52,188,38)"><span style="font-variant-ligatures:no-common-ligatures"><br></span></p>I thought fail2ban was designed for stuff like this, but I don't see any auth attempts here (I set "log-auth-failures" to "true"). These are coming in a bit faster than 1 per second. It appears they are dialing random extensions. How can I make them stop?<br></div></div></blockquote><div><br></div><div>I suppose:</div><div>  "in context public"</div><div>in the above log indicates the call entered your FS without need for authentication.</div><div>So you should switch to a context/profile that requires authentication., then log-auth-failures should work.</div><div><br></div><div><br></div><div> </div></div></div>