I received following error Fatal error: Cannot redeclare password_hash() in /var/www/phpldapadmin/lib/functions.php on line 2225 after installation of phpldapadmin on ubuntu 12.04 with php 5.5. Later I found that latest version of phpldapadmin is not compatible with php 5.5, since there are some problems with function names conventions. Best solution is to downgrade your php version to 5.4 or […]

Use rpm -qa | less on ubuntu sudo dpkg –get-selections on debian dpkg –get-selections On FreeBSD pkg_version | less On OpenBSD pkg_info | less

If you receive following error while executing  snort -c /usr/local/snort/etc/snort.conf  : error while loading shared libraries: libsfbpf.so.0: cannot open shared object file: No such file or directory  The way to solve this is to type  ldconfig , after that try the  snort -c  command as mentioned above.

There are 3 common ways of sending DTMF on SIP calls SIP INFO packets As specially marked events in the RTP stream – see: RFC 2833 inband as normal audio tones in the RTP stream with no special coding or markers In sip.conf file in asterisk settings write dmtf=info and don’t forget to set this option also on your VoIP client