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...by Google is not the best way to read our article in English (or other languages) I encourage you to read it (the pictures and the results are very easy to understand) and send your feedback or comments here. Best regards, -- Ioan Indreias www.modulo.ro Notes: [1] - http://www.modulo.ro/Modulo/ro/Articole/Determinarea_capacitatii_maxime_a_unei_centrale_Asterisk.html [2] Maximum number of G.711 ulaw - ulaw SIP calls 38 - Norhtec MicroClient Jr DX 130 - VIA EPIA EN12000EG 176 - Asus Pundit R350 320 - Gigabyte 945GCM-S2L

Hello, I'm looking for some advice on securing Asterisk. Recently my servers been under several brute-force SIP attacks. I have several remote sites, as well as many roaming users, who may have PC softclients and/or SIP based hardphones. My first step will be to strengthen the passwords in use, and for the hardphones to restrict by IP address, but that still leaves the softphone