Below are the results of these commands: dpkg -l | egrep -i '(ssl|pcre)' apt-cache search libssl | grep SSL
xymon at Xymon:~$ dpkg -l | egrep -i '(ssl|pcre)' ii libcurl3 7.22.0-3ubuntu4 Multi-protocol file transfer library (OpenSSL) ii libcurl4-openssl-dev 7.22.0-3ubuntu4 Development files and documentation for libcurl (OpenSSL) ii libflac8 1.2.1-6 Free Lossless Audio Codec - runtime C library ii libgnutls-openssl27 2.12.14-5ubuntu3 GNU TLS library - OpenSSL wrapper ii libio-socket-ssl-perl 1.53-1 Perl module implementing object oriented interface to SSL sockets ii libnet-ssleay-perl 1.42-1build1 Perl module for Secure Sockets Layer (SSL) ii libpcre3 8.12-4 Perl 5 Compatible Regular Expression Library - runtime files ii libpcre3-dev 8.12-4 Perl 5 Compatible Regular Expression Library - development files ii libpcrecpp0 8.12-4 Perl 5 Compatible Regular Expression Library - C++ runtime files ii libssl-dev 1.0.1-4ubuntu5.3 SSL development libraries, header files and documentation ii libssl-doc 1.0.1-4ubuntu5.3 SSL development documentation documentation ii libssl0.9.8 0.9.8o-5ubuntu1.7 SSL shared libraries ii libssl1.0.0 1.0.1-4ubuntu5.3 SSL shared libraries ii libwavpack1 4.60.1-2 audio codec (lossy and lossless) - library ii openssl 1.0.1-4ubuntu5.3 Secure Socket Layer (SSL) binary and related cryptographic tools ii python-openssl 0.12-1ubuntu2 Python wrapper around the OpenSSL library ii ssl-cert 1.0.28 simple debconf wrapper for OpenSSL xymon at Xymon:~$ apt-cache search libssl | grep SSL libssl-dev - SSL development libraries, header files and documentation libssl-doc - SSL development documentation documentation libssl1.0.0 - SSL shared libraries libssl0.9.8 - SSL shared libraries