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docs/en/tor-doc-relay.wml    3) # Translation-Priority: 2-medium

docs/en/tor-doc-server.wml   4) 

docs/en/tor-doc-relay.wml    5) #include "head.wmi" TITLE="Tor: Relay Configuration Instructions"

docs/en/tor-doc-server.wml   6) 
docs/en/tor-doc-server.wml   7) <div class="center">
docs/en/tor-doc-server.wml   8) 
docs/en/tor-doc-server.wml   9) <div class="main-column">
docs/en/tor-doc-server.wml  10) 

docs/en/tor-doc-relay.wml   11) <h1>Configuring a Tor relay</h1>
docs/en/tor-doc-relay.wml   12) 
docs/en/tor-doc-relay.wml   13) <!-- BEGIN SIDEBAR -->
docs/en/tor-doc-relay.wml   14) <div class="sidebar-left">
docs/en/tor-doc-relay.wml   15) <h3>Config Steps</h3>
docs/en/tor-doc-relay.wml   16) <ol>

docs/en/tor-doc-relay.wml   17) <li><a href="<page docs/tor-doc-relay>#install">Download &amp; Install</a></li>

docs/en/tor-doc-relay.wml   18) <li><a href="<page docs/tor-doc-relay>#setup">Configuration</a></li>

docs/en/tor-doc-relay.wml   19) <li><a href="<page docs/tor-doc-relay>#check">Check &amp; Confirm</a></li>

docs/en/tor-doc-relay.wml   20) <li><a href="<page docs/tor-doc-relay>#after">Final Steps</a></li>
docs/en/tor-doc-relay.wml   21) </ol>
docs/en/tor-doc-relay.wml   22) </div>
docs/en/tor-doc-relay.wml   23) <!-- END SIDEBAR -->
docs/en/tor-doc-relay.wml   24) 
docs/en/tor-doc-relay.wml   25) <hr />

docs/en/tor-doc-server.wml  26) 
docs/en/tor-doc-server.wml  27) <p>
docs/en/tor-doc-server.wml  28) The Tor network relies on volunteers to donate bandwidth. The more

docs/en/tor-doc-relay.wml   29) people who run relays, the faster the Tor network will be. If you have

docs/en/tor-doc-server.wml  30) at least 20 kilobytes/s each way, please help out Tor by configuring your

docs/en/tor-doc-relay.wml   31) Tor to be a relay too. We have many features that make Tor relays easy

docs/en/tor-doc-server.wml  32) and convenient, including rate limiting for bandwidth, exit policies so
docs/en/tor-doc-server.wml  33) you can limit your exposure to abuse complaints, and support for dynamic
docs/en/tor-doc-server.wml  34) IP addresses.</p>
docs/en/tor-doc-server.wml  35) 

docs/en/tor-doc-relay.wml   36) <p>Having relays in many different places on the Internet is what

docs/en/tor-doc-server.wml  37) makes Tor users secure. <a

docs/en/tor-doc-relay.wml   38) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#RelayAnonymity">You

docs/en/tor-doc-server.wml  39) may also get stronger anonymity yourself</a>,
docs/en/tor-doc-server.wml  40) since remote sites can't know whether connections originated at your
docs/en/tor-doc-server.wml  41) computer or were relayed from others.</p>
docs/en/tor-doc-server.wml  42) 

docs/en/tor-doc-relay.wml   43) <p>Setting up a Tor relay is easy and convenient:

docs/en/tor-doc-server.wml  44) <ul>
docs/en/tor-doc-server.wml  45) <li>Tor has built-in support for <a

docs/en/tor-doc-relay.wml   46) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#LimitBandwidth">rate

docs/en/tor-doc-server.wml  47) limiting</a>. Further, if you have a fast link
docs/en/tor-doc-server.wml  48) but want to limit the number of bytes per day
docs/en/tor-doc-server.wml  49) (or week or month) that you donate, check out the <a

docs/en/tor-doc-relay.wml   50) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#Hibernation">hibernation

docs/en/tor-doc-server.wml  51) feature</a>.
docs/en/tor-doc-server.wml  52) </li>

docs/en/tor-doc-relay.wml   53) <li>Each Tor relay has an <a

docs/en/tor-doc-relay.wml   54) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#RunARelayBut">exit

docs/en/tor-doc-server.wml  55) policy</a> that specifies what sort of outbound connections are allowed

docs/en/tor-doc-relay.wml   56) or refused from that relay. If you are uncomfortable allowing people
docs/en/tor-doc-relay.wml   57) to exit from your relay, you can set it up to only allow connections
docs/en/tor-doc-relay.wml   58) to other Tor relays.

docs/en/tor-doc-server.wml  59) </li>

docs/en/tor-doc-relay.wml   60) <li>It's fine if the relay goes offline sometimes. The directories
docs/en/tor-doc-relay.wml   61) notice this quickly and stop advertising the relay. Just try to make
docs/en/tor-doc-relay.wml   62) sure it's not too often, since connections using the relay when it

docs/en/tor-doc-server.wml  63) disconnects will break.
docs/en/tor-doc-server.wml  64) </li>

docs/en/tor-doc-relay.wml   65) <li>We can handle relays with dynamic IPs just fine &mdash; simply

docs/en/tor-doc-server.wml  66) leave the Address config option blank, and Tor will try to guess.

docs/en/tor-doc-server.wml  67) </li>

docs/en/tor-doc-relay.wml   68) <li>If your relay is behind a NAT and it doesn't know its public

docs/en/tor-doc-server.wml  69) IP (e.g. it has an IP of 192.168.x.y), you'll need to set up port
docs/en/tor-doc-server.wml  70) forwarding. Forwarding TCP connections is system dependent but <a

docs/en/tor-doc-relay.wml   71) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#ServerForFirewalledClients">this

docs/en/tor-doc-server.wml  72) FAQ entry</a> offers some examples on how to do this.

docs/en/tor-doc-server.wml  73) </li>

docs/en/tor-doc-relay.wml   74) <li>Your relay will passively estimate and advertise its recent
docs/en/tor-doc-relay.wml   75) bandwidth capacity, so high-bandwidth relays will attract more users than
docs/en/tor-doc-relay.wml   76) low-bandwidth ones. Therefore having low-bandwidth relays is useful too.

docs/en/tor-doc-server.wml  77) </li>
docs/en/tor-doc-server.wml  78) </ul>
docs/en/tor-doc-server.wml  79) 

docs/en/tor-doc-relay.wml   80) <p>You can run a Tor relay on

docs/en/tor-doc-server.wml  81) pretty much any operating system, but see <a

docs/en/tor-doc-relay.wml   82) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#RelayOS">this

docs/en/tor-doc-server.wml  83) FAQ entry</a> for advice about which ones work best and other problems
docs/en/tor-doc-server.wml  84) you might encounter.</p>
docs/en/tor-doc-server.wml  85) 
docs/en/tor-doc-server.wml  86) <hr />

docs/en/tor-doc-relay.wml   87) <a id="zero"></a>

docs/en/tor-doc-relay.wml   88) <a id="install"></a>
docs/en/tor-doc-relay.wml   89) <h2><a class="anchor" href="#install">Step One: Download and Install Tor</a></h2>

docs/en/tor-doc-server.wml  90) <br />
docs/en/tor-doc-server.wml  91) 
docs/en/tor-doc-server.wml  92) <p>Before you start, you need to make sure that Tor is up and running.
docs/en/tor-doc-server.wml  93) </p>
docs/en/tor-doc-server.wml  94) 
docs/en/tor-doc-server.wml  95) <p>For Windows users, this means at least <a

docs/en/tor-doc-relay.wml   96) href="<page docs/tor-doc-windows>#installing">step one</a>

docs/en/tor-doc-server.wml  97) of the Windows Tor installation howto. Mac OS X users need to do at least

docs/en/tor-doc-server.wml  98) <a href="<page docs/tor-doc-osx>#installing">step one</a>

docs/en/tor-doc-server.wml  99) of OS X Tor installation howto.  Linux/BSD/Unix users should do at least

docs/en/tor-doc-server.wml 100) <a href="<page docs/tor-doc-unix>#installing">step one</a>

docs/en/tor-doc-server.wml 101) of the Unix Tor installation howto.
docs/en/tor-doc-server.wml 102) </p>
docs/en/tor-doc-server.wml 103) <p>If it's convenient, you might also want to use it as a client for a
docs/en/tor-doc-server.wml 104) while to make sure it's actually working.</p>
docs/en/tor-doc-server.wml 105) 
docs/en/tor-doc-server.wml 106) <hr />

docs/en/tor-doc-server.wml 107) <a id="setup"></a>

docs/en/tor-doc-relay.wml  108) <h2><a class="anchor" href="#setup">Step Two: Set it up as a relay</a></h2>

docs/en/tor-doc-server.wml 109) <br />

docs/en/tor-doc-relay.wml  110) <ol>
docs/en/tor-doc-relay.wml  111) <li>Verify that your clock is set correctly. If possible, synchronize

docs/en/tor-doc-server.wml 112) your clock with public time servers.

docs/en/tor-doc-relay.wml  113) </li>

docs/en/tor-doc-server.wml 114) 

docs/en/tor-doc-relay.wml  115) <li>Make sure name resolution works (that is, your computer can resolve

docs/en/tor-doc-server.wml 116) Internet addresses correctly).

docs/en/tor-doc-relay.wml  117) </li>
docs/en/tor-doc-relay.wml  118) <li>The easier step to configure a relay is to use Vidalia.  The more advanced step is to edit your torrc directly.
docs/en/tor-doc-relay.wml  119) 

docs/en/tor-doc-relay.wml  120) <br />
docs/en/tor-doc-relay.wml  121) <strong>Easy Configuration</strong>:
docs/en/tor-doc-relay.wml  122) <ul>

docs/en/tor-doc-relay.wml  123) <li>Right click on the Vidalia icon in your task bar.  Choose <tt>Control Panel</tt>.</li>
docs/en/tor-doc-relay.wml  124) <li>Click <tt>Setup Relaying</tt>.</li>
docs/en/tor-doc-relay.wml  125) <li>Choose <tt>Relay Traffic for the Tor network</tt>.</li>
docs/en/tor-doc-relay.wml  126) <li>Enter a nickname for your relay. (Optional, enter contact information.)</li>
docs/en/tor-doc-relay.wml  127) <li>Choose <tt>Attempt to automatically configure port forwarding</tt>.
docs/en/tor-doc-relay.wml  128) Push the <tt>Test</tt> button to see if it works.  If it does work, great.

docs/en/tor-doc-relay.wml  129) If not, see number 4 below.</li>

docs/en/tor-doc-relay.wml  130) <li>Choose the <tt>Bandwidth Limits</tt> tab.  Select how much bandwidth you want to provide for Tor users like yourself.</li>
docs/en/tor-doc-relay.wml  131) <li>Choose the <tt>Exit Policies</tt> tab.  If you want to allow others
docs/en/tor-doc-relay.wml  132) to use your relay for these services, don't change anything.  Un-check
docs/en/tor-doc-relay.wml  133) the services you don't want to allow through your relay.  If you want to
docs/en/tor-doc-relay.wml  134) be a non-exit relay, un-check all services.</li>

docs/en/tor-doc-relay.wml  135) <li>Click the <tt>Ok</tt> button.  See Step Three below for confirmation

docs/en/tor-doc-relay.wml  136) that the relay is working correctly.</li>

docs/en/tor-doc-relay.wml  137) </ul>

docs/en/tor-doc-server.wml 138) 

docs/en/tor-doc-relay.wml  139) <br />

docs/en/tor-doc-relay.wml  140) <strong>Advanced Configuration</strong>:

docs/en/tor-doc-relay.wml  141) <ul>

docs/en/tor-doc-relay.wml  142) <li>Edit the bottom part of your torrc. (See <a

docs/en/tor-doc-relay.wml  143) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#torrc">this

docs/en/tor-doc-server.wml 144) FAQ entry</a> for help.)
docs/en/tor-doc-server.wml 145) Make sure to define at least Nickname and ORPort. Create the DataDirectory
docs/en/tor-doc-server.wml 146) if necessary, and make sure it's owned by the user that will be running

docs/en/tor-doc-relay.wml  147) tor. <em>If you want to run more than one relay that's great, but

docs/en/tor-doc-relay.wml  148) please set <a href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#MultipleRelays">the

docs/en/tor-doc-relay.wml  149) MyFamily option</a> in all your relays' configuration files.</em></li>

docs/en/tor-doc-server.wml 150) 

docs/en/tor-doc-relay.wml  151) </ul></li>

docs/en/tor-doc-relay.wml  152) 
docs/en/tor-doc-relay.wml  153) <li> If you are using a firewall, open a hole in your firewall so

docs/en/tor-doc-relay.wml  154) incoming connections can reach the ports you configured (ORPort, plus

docs/en/tor-doc-server.wml 155) DirPort if you enabled it). Make sure you allow all outgoing connections,

docs/en/tor-doc-relay.wml  156) so your relay can reach the other Tor relays.

docs/en/tor-doc-relay.wml  157) </li>

docs/en/tor-doc-server.wml 158) 

docs/en/tor-doc-relay.wml  159) <li>Restart your relay. If it <a

docs/en/tor-doc-relay.wml  160) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#Logs">logs

docs/en/tor-doc-server.wml 161) any warnings</a>, address them.

docs/en/tor-doc-relay.wml  162) </li>

docs/en/tor-doc-server.wml 163) 

docs/en/tor-doc-relay.wml  164) <li>Subscribe to the <a

docs/en/tor-doc-server.wml 165) href="http://archives.seul.org/or/announce/">or-announce</a>
docs/en/tor-doc-server.wml 166) mailing list. It is very low volume, and it will keep you informed
docs/en/tor-doc-server.wml 167) of new stable releases. You might also consider subscribing to <a
docs/en/tor-doc-server.wml 168) href="http://archives.seul.org/or/talk/">or-talk</a> (higher volume),
docs/en/tor-doc-server.wml 169) where new development releases are announced.

docs/en/tor-doc-relay.wml  170) </li>

docs/en/tor-doc-server.wml 171) 

docs/en/tor-doc-relay.wml  172) <li>
docs/en/tor-doc-relay.wml  173) Have a look at the manual.

docs/en/tor-doc-server.wml 174) The <a href="<page tor-manual>">manual</a> for the

docs/en/tor-doc-server.wml 175) latest stable version provides a list of all the possible configuration

docs/en/tor-doc-relay.wml  176) options for both clients and relays.

docs/en/tor-doc-server.wml 177) If you are running the development version of Tor, the manual is available

docs/en/tor-doc-server.wml 178) <a href="<page tor-manual-dev>">here</a>.

docs/en/tor-doc-relay.wml  179) </li>
docs/en/tor-doc-relay.wml  180) </ol>

docs/en/tor-doc-server.wml 181) 
docs/en/tor-doc-server.wml 182) <hr />

docs/en/tor-doc-server.wml 183) <a id="check"></a>

docs/en/tor-doc-relay.wml  184) <h2><a class="anchor" href="#check">Step Three: Make sure it's working</a></h2>

docs/en/tor-doc-server.wml 185) <br />
docs/en/tor-doc-server.wml 186) 

docs/en/tor-doc-relay.wml  187) <p>As soon as your relay manages to connect to the network, it will

docs/en/tor-doc-server.wml 188) try to determine whether the ports you configured are reachable from

docs/en/tor-doc-server.wml 189) the outside. This may take up to 20 minutes. Look for a

docs/en/tor-doc-relay.wml  190) <a href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#Logs">log

docs/en/tor-doc-server.wml 191) entry</a> like

docs/en/tor-doc-server.wml 192) <tt>Self-testing indicates your ORPort is reachable from the outside. Excellent.</tt>

docs/en/tor-doc-relay.wml  193) If you don't see this message, it means that your relay is not reachable

docs/en/tor-doc-server.wml 194) from the outside — you should re-check your firewalls, check that it's
docs/en/tor-doc-server.wml 195) testing the IP and port you think it should be testing, etc.
docs/en/tor-doc-server.wml 196) </p>
docs/en/tor-doc-server.wml 197) 
docs/en/tor-doc-server.wml 198) <p>When it decides that it's reachable, it will upload a "server
docs/en/tor-doc-server.wml 199) descriptor" to the directories. This will let clients know

docs/en/tor-doc-relay.wml  200) what address, ports, keys, etc your relay is using. You can <a

docs/en/tor-doc-server.wml 201) href="http://moria.seul.org:9032/tor/status/authority">load one of
docs/en/tor-doc-server.wml 202) the network statuses manually</a> and

docs/en/tor-doc-server.wml 203) look through it to find the nickname you configured, to make sure it's
docs/en/tor-doc-server.wml 204) there. You may need to wait a few seconds to give enough time for it to
docs/en/tor-doc-server.wml 205) make a fresh directory.</p>
docs/en/tor-doc-server.wml 206) 
docs/en/tor-doc-server.wml 207) <hr />

docs/en/tor-doc-server.wml 208) <a id="after"></a>

docs/en/tor-doc-relay.wml  209) <h2><a class="anchor" href="#after">Step Four: Once it's working</a></h2>

docs/en/tor-doc-server.wml 210) <br />
docs/en/tor-doc-server.wml 211) 
docs/en/tor-doc-server.wml 212) <p>

docs/en/tor-doc-server.wml 213) We recommend the following steps as well:

docs/en/tor-doc-server.wml 214) </p>
docs/en/tor-doc-server.wml 215) 
docs/en/tor-doc-server.wml 216) <p>

docs/en/tor-doc-server.wml 217) 8. Read

docs/en/tor-doc-relay.wml  218) <a href="https://wiki.torproject.org/noreply/TheOnionRouter/OperationalSecurity">this document</a>

docs/en/tor-doc-relay.wml  219) to get ideas how you can increase the security of your relay.

docs/en/tor-doc-server.wml 220) </p>
docs/en/tor-doc-server.wml 221) 
docs/en/tor-doc-server.wml 222) <p>

docs/en/tor-doc-relay.wml  223) 9. Decide what exit policy you want. By default your relay allows

docs/en/tor-doc-server.wml 224) access to many popular services, but restricts some (such as port 25)

docs/en/tor-doc-server.wml 225) due to abuse potential. You might want an exit policy that is
docs/en/tor-doc-server.wml 226) less restrictive or more restrictive; edit your torrc appropriately.
docs/en/tor-doc-server.wml 227) Read the FAQ entry on <a
docs/en/tor-doc-server.wml 228) href="<page faq-abuse>#TypicalAbuses">issues you might
docs/en/tor-doc-server.wml 229) encounter if you use the default exit policy</a>.
docs/en/tor-doc-server.wml 230) If you choose a particularly open exit policy, you should make
docs/en/tor-doc-server.wml 231) sure your ISP is ok with that choice.

docs/en/tor-doc-server.wml 232) If there are any resources that your computer can't reach (for example,
docs/en/tor-doc-server.wml 233) you are behind a restrictive firewall or content filter), please
docs/en/tor-doc-server.wml 234) explicitly reject them in your exit policy — otherwise Tor users
docs/en/tor-doc-server.wml 235) will be impacted too.

docs/en/tor-doc-server.wml 236) </p>
docs/en/tor-doc-server.wml 237) 
docs/en/tor-doc-server.wml 238) <p>

docs/en/tor-doc-server.wml 239) 10. Decide about rate limiting. Cable modem, DSL, and other users

docs/en/tor-doc-server.wml 240) who have asymmetric bandwidth (e.g. more down than up) should
docs/en/tor-doc-server.wml 241) rate limit to their slower bandwidth, to avoid congestion. See the <a

docs/en/tor-doc-relay.wml  242) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#LimitBandwidth">rate

docs/en/tor-doc-server.wml 243) limiting FAQ entry</a> for details.
docs/en/tor-doc-server.wml 244) </p>
docs/en/tor-doc-server.wml 245) 
docs/en/tor-doc-server.wml 246) <p>

docs/en/tor-doc-relay.wml  247) 11. Back up your Tor relay's private key (stored in "keys/secret_id_key"
docs/en/tor-doc-relay.wml  248) in your DataDirectory). This is your relay's "identity," and

docs/en/tor-doc-server.wml 249) you need to keep it safe so nobody can read the traffic that goes

docs/en/tor-doc-relay.wml  250) through your relay. This is the critical file to keep if you need to <a

docs/en/tor-doc-relay.wml  251) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#UpgradeRelay">move

docs/en/tor-doc-relay.wml  252) or restore your Tor relay</a> if something goes wrong.

docs/en/tor-doc-server.wml 253) </p>
docs/en/tor-doc-server.wml 254) 
docs/en/tor-doc-server.wml 255) <p>

docs/en/tor-doc-relay.wml  256) 
docs/en/tor-doc-relay.wml  257) 12. If you control the name servers for your domain, consider setting your
docs/en/tor-doc-relay.wml  258) reverse DNS hostname to 'anonymous-relay', 'proxy' or 'tor-proxy', so when
docs/en/tor-doc-relay.wml  259) other people see the address in their web logs, they will more quickly
docs/en/tor-doc-relay.wml  260) understand what's going on. Adding the <a
docs/en/tor-doc-relay.wml  261) href="https://tor-svn.freehaven.net/svn/tor/trunk/contrib/tor-exit-notice.html">Tor
docs/en/tor-doc-relay.wml  262) exit notice</a> on a vhost for this name can go a long way to deterring abuse
docs/en/tor-doc-relay.wml  263) complaints to you and your ISP if you are running an exit node.
docs/en/tor-doc-relay.wml  264) 

docs/en/tor-doc-server.wml 265) </p>
docs/en/tor-doc-server.wml 266) 
docs/en/tor-doc-server.wml 267) <p>

docs/en/tor-doc-server.wml 268) 13. If your computer isn't running a webserver, please consider

docs/en/tor-doc-server.wml 269) changing your ORPort to 443 and your DirPort to 80. Many Tor
docs/en/tor-doc-server.wml 270) users are stuck behind firewalls that only let them browse the

docs/en/tor-doc-relay.wml  271) web, and this change will let them reach your Tor relay. Win32
docs/en/tor-doc-relay.wml  272) relays can simply change their ORPort and DirPort directly
docs/en/tor-doc-relay.wml  273) in their torrc and restart Tor. OS X or Unix relays can't bind

docs/en/tor-doc-server.wml 274) directly to these ports (since they don't run as root), so they will
docs/en/tor-doc-server.wml 275) need to set up some sort of <a

docs/en/tor-doc-relay.wml  276) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#ServerForFirewalledClients">

docs/en/tor-doc-relay.wml  277) port forwarding</a> so connections can reach their Tor relay. If you are

docs/en/tor-doc-server.wml 278) using ports 80 and 443 already but still want to help out, other useful
docs/en/tor-doc-server.wml 279) ports are 22, 110, and 143.
docs/en/tor-doc-server.wml 280) </p>
docs/en/tor-doc-server.wml 281) 
docs/en/tor-doc-server.wml 282) <p>

docs/en/tor-doc-relay.wml  283) 14. If your Tor relay provides other services on the same IP address

docs/en/tor-doc-server.wml 284) — such as a public webserver — make sure that connections to the
docs/en/tor-doc-server.wml 285) webserver are allowed from the local host too. You need to allow these

docs/en/tor-doc-relay.wml  286) connections because Tor clients will detect that your Tor relay is the <a

docs/en/tor-doc-relay.wml  287) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorFAQ#ExitEavesdroppers">safest

docs/en/tor-doc-server.wml 288) way to reach that webserver</a>, and always build a circuit that ends

docs/en/tor-doc-relay.wml  289) at your relay. If you don't want to allow the connections, you must

docs/en/tor-doc-server.wml 290) explicitly reject them in your exit policy.
docs/en/tor-doc-server.wml 291) </p>
docs/en/tor-doc-server.wml 292) 
docs/en/tor-doc-server.wml 293) <p>

docs/en/tor-doc-relay.wml  294) 15. (Unix only). Make a separate user to run the relay. If you

docs/en/tor-doc-server.wml 295) installed the OS X package or the deb or the rpm, this is already

docs/en/tor-doc-relay.wml  296) done. Otherwise, you can do it by hand. (The Tor relay doesn't need to

docs/en/tor-doc-server.wml 297) be run as root, so it's good practice to not run it as root. Running
docs/en/tor-doc-server.wml 298) as a 'tor' user avoids issues with identd and other services that
docs/en/tor-doc-server.wml 299) detect user name. If you're the paranoid sort, feel free to <a

docs/en/tor-doc-relay.wml  300) href="https://wiki.torproject.org/noreply/TheOnionRouter/TorInChroot">put Tor

docs/en/tor-doc-server.wml 301) into a chroot jail</a>.)
docs/en/tor-doc-server.wml 302) </p>
docs/en/tor-doc-server.wml 303) 
docs/en/tor-doc-server.wml 304) <p>

docs/en/tor-doc-server.wml 305) 16. (Unix only.) Your operating system probably limits the number

docs/en/tor-doc-server.wml 306) of open file descriptors per process to 1024 (or even less). If you
docs/en/tor-doc-server.wml 307) plan to be running a fast exit node, this is probably not enough. On
docs/en/tor-doc-server.wml 308) Linux, you should add a line like "toruser hard nofile 8192" to your
docs/en/tor-doc-server.wml 309) /etc/security/limits.conf file (where toruser is the user that runs the
docs/en/tor-doc-server.wml 310) Tor process), and then restart Tor if it's installed as a package (or log

docs/en/tor-doc-relay.wml  311) out and log back in if you run it yourself).

docs/en/tor-doc-server.wml 312) </p>
docs/en/tor-doc-server.wml 313) 
docs/en/tor-doc-server.wml 314) <p>

docs/en/tor-doc-relay.wml  315) 17. If you installed Tor via some package or installer, it probably starts

docs/en/tor-doc-server.wml 316) Tor for you automatically on boot. But if you installed from source,
docs/en/tor-doc-server.wml 317) you may find the initscripts in contrib/tor.sh or contrib/torctl useful.
docs/en/tor-doc-server.wml 318) </p>
docs/en/tor-doc-server.wml 319) 

docs/en/tor-doc-server.wml 320) <p>

docs/en/tor-doc-server.wml 321) When you change your Tor configuration, remember to verify that your

docs/en/tor-doc-relay.wml  322) relay still works correctly after the change. Be sure to set your

docs/en/tor-doc-server.wml 323) "ContactInfo" line in the torrc so we can contact you if you need to
docs/en/tor-doc-server.wml 324) upgrade or something goes wrong. If you have problems or questions, see
docs/en/tor-doc-server.wml 325) the <a href="<page documentation>#Support">Support</a> section or
docs/en/tor-doc-server.wml 326) <a href="<page contact>">contact us</a> on the tor-ops list. Thanks
docs/en/tor-doc-server.wml 327) for helping to make the Tor network grow!

docs/en/tor-doc-server.wml 328) </p>
docs/en/tor-doc-server.wml 329) 

docs/en/tor-doc-server.wml 330) <hr />
docs/en/tor-doc-server.wml 331) 

docs/en/tor-doc-server.wml 332) <p>If you have suggestions for improving this document, please <a
docs/en/tor-doc-server.wml 333) href="<page contact>">send them to us</a>. Thanks!</p>