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ping and icmp

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Anthony Fadly 1 year ago
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oct10-ip.md View File

@@ -9,7 +9,7 @@
- `umask`
- mask
- IP (protocols)
- ICMP (`ping`, traceroute)
- [ICMP](#ping-and-icmp) (`ping`, traceroute)
- UDP
- TCP
- DNS
@@ -64,3 +64,12 @@ address on a letter:

[ address | port ][ address | port ]
[ source name ][destination name]

## Ping and ICMP

```
$ ping example.com
```

do a dns lookup of example.com then send an ICMP "echo" message, the server
should send one back

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