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aledsage committed Jun 4, 2018
1 parent e066c9c commit 55055c33235b1ece629afb7e4d40fbd60a1e06b7
Showing 2 changed files with 5 additions and 4 deletions.
@@ -104,8 +104,8 @@ example, execute `sudo iptables -n --list` and `iptables -t nat -n --list`.
## Cloud firewalls
Some clouds offer a firewall service, where ports need to be explicitly listed to be reachable.

For example, [security groups for EC2-classic]
(http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html#ec2-classic-security-groups)
For example,
[security groups for EC2-classic](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-network-security.html)
have rules for the protocols and ports to be reachable from specific CIDRs.

Check these settings via the cloud provider's web-console (or API).
@@ -40,8 +40,9 @@ in the run directory (such as console output).
It is worth checking that the process is running, e.g. using `ps aux` to look for the desired process.
Some entities also write the pid of the process to `pid.txt` in the run directory.

It is also worth checking if the required port is accessible. This is discussed in the guide
"Troubleshooting Server Connectivity Issues in the Cloud", including listing the ports in use:
It is also worth checking if the required port is accessible. This is discussed in the troubleshooting guide
[Server Connectivity]({{book.path.docs}}/ops/troubleshooting/connectivity.md),
including listing the ports in use:
execute `netstat -antp` (or on OS X `netstat -antp TCP`) to list the TCP ports in use (or use
`-anup` for UDP).

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