$ dpkg -l|grep nss
ii  insserv                                               1.14.0-5ubuntu2                                     amd64        boot sequence organizer using LSB init.d script dependency information
ii  libgnutls-openssl27:amd64                             2.12.23-12ubuntu2.1                                 amd64        GNU TLS library - OpenSSL wrapper
ii  libnss-mdns:amd64                                     0.10-6                                              amd64        NSS module for Multicast DNS name resolution
ii  libnss3:amd64                                         2:3.17.4-0ubuntu0.14.04.1                           amd64        Network Security Service libraries
ii  libnss3-nssdb                                         2:3.17.4-0ubuntu0.14.04.1                           all          Network Security Security libraries - shared databases
ii  openssh-client                                        1:6.6p1-2ubuntu2                                    amd64        secure shell (SSH) client, for secure access to remote machines
ii  openssl                                               1.0.1f-1ubuntu2.8                                   amd64        Secure Sockets Layer toolkit - cryptographic utility
ii  python-openssl                                        0.13-2ubuntu6                                       amd64        Python 2 wrapper around the OpenSSL library