Numbers

Values of the number type are, unsurprisingly, numeric values. In a JavaScript program, they are written as follows: 13 Use that in a program, and it will cause the bit pattern for the number 13 to come into existence inside the computer’s memory. JavaScript uses a fixed number of bits, 64 of them, to store … Read more

Better SIP Security on Asterisk: How To Secure Asterisk

Seven Easy Steps to Better SIP Security on Asterisk: 1) Don’t accept SIP authentication requests from all IP addresses. Use the “permit=” and “deny=” lines in sip.conf to only allow a reasonable subset of IP addresess to reach each listed extension/user in your sip.conf file. Even if you accept inbound calls from “anywhere” (via [default]) … Read more