ping -c 5 prismslab.cs.umass.edu
PING prismslab.cs.umass.edu (128.119.245.66) 56(84) bytes of data.
From outside.uta.edu (129.107.1.4) icmp_seq=2 Packet filtered

--- prismslab.cs.umass.edu ping statistics ---
5 packets transmitted, 0 received, +1 errors, 100% packet loss, time 4015ms

