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== Bridge survival guide ==
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SSH fingerprints:
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* `2048 SHA256:bP9tfPeIqkZkeKK1wcNT5t3CLyePz8oglFLRcdlP+gQ root@node (RSA)`
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* `1024 SHA256:ji5FxcUh6gjLj7RHl6ffHTRMW62Gp+8ZmGoL0p5nVl0 root@node (DSA)`
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* `256 SHA256:rl1WUhqOk3D2h2hwcK4x2HRPcnowUJuKnxQXYXOCXuk root@node (ED25519)`
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* Bridge fingerprint 2B280B23E1107BB62ABFC40DDCC8824814F80A72
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* Hashed fingerprint 5481936581E23D2D178105D44DB6915AB06BFB7F
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* https://metrics.torproject.org/rs.html#details/5481936581E23D2D178105D44DB6915AB06BFB7F
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Upgrading snowflake-server. You need to give the new binary permission to bind ports 443 and 80. This cheat sheet is also commented in `/etc/tor/torrc`.
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1. `service tor stop`
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2. `install --owner root ~/new-server /usr/local/bin/snowflake-server`
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3. `setcap 'cap_net_bind_service=+ep' /usr/local/bin/snowflake-server`
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4. `service tor start`
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Check /var/log/syslog and /var/log/tor/snowflake-server.log for error messages. If snowflake-server.log shows `bind: permission denied`, ensure that you have run the `setcap` command, and that the `NoNewPrivileges=no` configuration from [[AntiCensorshipTeam/SnowflakeBridgeInstallationGuide]] is in place.
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=== Standalone proxy-go instances ===
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The standalone proxy-go instances are managed by runit. You can see a list of possible instances under `/etc/service`. They are set up to periodically restart themselves in case of a hang.
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{{{
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sv status snowflake-proxy-standalone-17h # check status
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sv start snowflake-proxy-standalone-17h # start
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sv stop snowflake-proxy-standalone-17h # stop
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ps xww | grep runsvdir # check for error in the run script
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}}}
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Logs are stored in `/home/snowflake-proxy/*.log.d`. Adding a new instance:
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{{{
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cd /etc/runit
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mkdir -p my-instance/log
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cat > my-instance/run <<EOF
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#!/bin/sh
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exec chpst -u snowflake-proxy timeout 17h /usr/local/bin/proxy-go -broker https://snowflake-broker.bamsoftware.com/ 2>&1
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EOF
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cat > my-instance/log/run <<EOF
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#!/bin/sh
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exec chpst -u snowflake-proxy svlogd /home/snowflake-proxy/my-instance.log.d
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EOF
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chmod +x my-instance/run my-instance/log/run
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cd /etc/service
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ln -s /etc/runit/my-instance/
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mkdir /home/snowflake-proxy/my-instance.log.d
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chown snowflake-proxy:nogroup /home/snowflake-proxy/my-instance.log.d
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sv start my-instance
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}}}
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Firewall configuration is in `/etc/ferm/ferm.conf`. Run `service ferm restart` after making changes. |
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\ No newline at end of file |
