[Freeswitch-users] Hacking FS issue

Hey All, I just got an email from Frontier that there were several attempts to make international calls. I checked the log file and verified that somehow someone was able to get access to FS from the internet. here is a sample of the log 2012-09-23 16:30:29.916821 [NOTICE] switch_channel.c:941 New Channel sofia/internal/1000@50.47.85.167 [af778857-0188-4ed2-a82a-94ae749a02cb] 2012-09-23 16:30:29.916821 [INFO] mod_dialplan_xml.c:485 Processing 1000 <1000>->01137168521352 in context default 2012-09-23 16:30:29.936831 [NOTICE] switch_channel.c:941 New Channel sofia/internal/01137168521352@192.168.1.5:5061 [d1243a78-c464-45fa-9215-e7b85e1221fc] 2012-09-23 16:30:29.956842 [NOTICE] sofia.c:6132 Ring-Ready sofia/internal/01137168521352@192.168.1.5:5061! 2012-09-23 16:30:29.956842 [NOTICE] mod_sofia.c:2572 Ring-Ready sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:29.956842 [NOTICE] switch_ivr_originate.c:519 Ring Ready sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:32.936826 [NOTICE] sofia.c:6777 Channel [sofia/internal/01137168521352@192.168.1.5:5061] has been answered 2012-09-23 16:30:32.956825 [NOTICE] sofia_glue.c:4176 Pre-Answer sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:32.956825 [NOTICE] switch_ivr_originate.c:3303 Channel [sofia/internal/1000@50.47.85.167] has been answered 2012-09-23 16:30:52.356865 [N2012-09-23 16:30:29.916821 [NOTICE] switch_channel.c:941 New Channel sofia/internal/1000@50.47.85.167 [af778857-0188-4ed2-a82a-94ae749a02cb] 2012-09-23 16:30:29.916821 [INFO] mod_dialplan_xml.c:485 Processing 1000 <1000>->01137168521352 in context default 2012-09-23 16:30:29.936831 [NOTICE] switch_channel.c:941 New Channel sofia/internal/01137168521352@192.168.1.5:5061 [d1243a78-c464-45fa-9215-e7b85e1221fc] 2012-09-23 16:30:29.956842 [NOTICE] sofia.c:6132 Ring-Ready sofia/internal/01137168521352@192.168.1.5:5061! 2012-09-23 16:30:29.956842 [NOTICE] mod_sofia.c:2572 Ring-Ready sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:29.956842 [NOTICE] switch_ivr_originate.c:519 Ring Ready sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:32.936826 [NOTICE] sofia.c:6777 Channel [sofia/internal/01137168521352@192.168.1.5:5061] has been answered 2012-09-23 16:30:32.956825 [NOTICE] sofia_glue.c:4176 Pre-Answer sofia/internal/1000@50.47.85.167! 2012-09-23 16:30:32.956825 [NOTICE] switch_ivr_originate.c:3303 Channel [sofia/internal/1000@50.47.85.167] has been answered 2012-09-23 16:30:52.356865 [NOTICE] switch_channel.c:941 New Channel sofia/internal/1000@50.47.85.167 [4576bc76-144a-4f6f-8915-871b511c374d] 2012-09-23 16:30:52.376830 [INFO] mod_dialplan_xml.c:485 Processing 1000 <1000>->01137168905352 in context defaultOTICE] switch_channel.c:941 New Channel sofia/internal/1000@50.47.85.167 [4576bc76-144a-4f6f-8915-871b511c374d] 2012-09-23 16:30:52.376830 [INFO] mod_dialplan_xml.c:485 Processing 1000 <1000>->01137168905352 in context default At this point I'm at a loss how this is happening as I have multiple firewalls in place that limit port access. Can someone provide a few pointers on how to better secure FS running on Linux systems? thanks -- - - - Best Regards, - - Todd Bailey - -