| 1<<ICMP_ECHOREPLY | |
| 1<<ICMP_DEST_UNREACH | |
| 1<<ICMP_SOURCE_QUENCH | |
| 1<<ICMP_REDIRECT | |
| 1<<ICMP_ECHO | |
| 1<<ICMP_TIME_EXCEEDED | |
| 1<<ICMP_PARAMETERPROB | |
| 1<<ICMP_TIMESTAMP | |
| 1<<ICMP_TIMESTAMPREPLY | |
| 1<<ICMP_INFO_REQUEST | |
| 1<<ICMP_INFO_REPLY | |
| 1<<ICMP_ADDRESS | |
| 1<<ICMP_ADDRESSREPLY |