Grandstream UCM6100 Security Manual - Manual (Page 3)

UCM6100 Security Manual Page 2 of 23
Table of Figures
Figure 1: UCM6102 Web UI Login .............................................................................................................. 4
Figure 2: Strategy – Local Subnet Only ...................................................................................................... 8
Figure 3: Registration Failed From Subnet Not Allowed For Registration ................................................... 9
Figure 4: Registration Successful From Allowed Subnet ............................................................................ 9
Figure 5: Outbound Rule Permissions .......................................................................................................11
Figure 6: Source Caller ID Filter ................................................................................................................ 12
Figure 7: IVR Dial Trunk ............................................................................................................................ 13
Figure 8: PBX->SIP Settings->TCP/TLS ................................................................................................... 14
Figure 9: Firewall Rule Custom Configuration........................................................................................... 17
Figure 10: Static Defense Blocking Host 192.168.40.142 Using TCP Connection .................................... 17
Figure 11: Host blocked by UCM6100....................................................................................................... 18
Figure 12: UCM6100 SSH Access ............................................................................................................ 18
Figure 13: Block SSH Connection ............................................................................................................. 19
Figure 14: Putty Setup for SSH Connection .............................................................................................. 19
Figure 15: SSH Connection Blocked by UCM6100 ................................................................................... 20
Figure 16: Fail2Ban Default Configuration ................................................................................................ 21
Figure 17: Asterisk Service Fail2Ban setting ............................................................................................. 22
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