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Update troubleshooting.md (#1869)

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Provide potential fix for another problem with old firewalls
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Rick Behl 2020-09-04 11:22:02 +01:00 • committed by GitHub
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docs/troubleshooting.md
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@ -22,6 +22,7 @@ First of all, check [this](https://github.com/trailofbits/algo#features) and ens
* [Error: Failed to create symlinks for deploying to localhost](#error-failed-to-create-symlinks-for-deploying-to-localhost)
* [Wireguard: Unable to find 'configs/...' in expected paths](#wireguard-unable-to-find-configs-in-expected-paths)
* [Ubuntu Error: "unable to write 'random state'" when generating CA password](#ubuntu-error-unable-to-write-random-state-when-generating-ca-password)
* [Timeout when waiting for search string OpenSSH in xxx.xxx.xxx.xxx:4160](#old-networking-firewall-in-place)
* [Connection Problems](#connection-problems)
* [I'm blocked or get CAPTCHAs when I access certain websites](#im-blocked-or-get-captchas-when-i-access-certain-websites)
* [I want to change the list of trusted Wifi networks on my Apple device](#i-want-to-change-the-list-of-trusted-wifi-networks-on-my-apple-device)
@ -362,6 +363,27 @@ sudo chown $USER:$USER $HOME/.rnd
Now, run Algo again.
### Old Networking Firewall In Place
You may see the following output when attemptint to run ./algo from your localhost:
```
TASK [Wait until SSH becomes ready...] **********************************************************************************************************************
fatal: [localhost]: FAILED! => {"changed": false, "elapsed": 321, "msg": "Timeout when waiting for search string OpenSSH in xxx.xxx.xxx.xxx:4160"}
included: /home/<username>/algo/algo/playbooks/rescue.yml for localhost
TASK [debug] ************************************************************************************************************************************************
ok: [localhost] => {
"fail_hint": [
"Sorry, but something went wrong!",
"Please check the troubleshooting guide.",
"https://trailofbits.github.io/algo/troubleshooting.html"
]
}
```
If you see this error then one possible explanation is that you have a previous firewall configured in your cloud hosting provider which needs to be either updated or ideally removed. Removing this can often fix this issue.
## Connection Problems
Look here if you deployed an Algo server but now have a problem connecting to it with a client.