source: apps/routerconsole/jsp/help-faq.jsi @ 46ac0087

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1<h2>Abridged I2P FAQ</h2>
2
3<p class="infohelp">This is a shortened version of the official FAQ.
4For the full version, please visit <a href="https://geti2p.net/faq" target="_blank">https://geti2p.net/faq</a> or <a href="http://i2p-projekt.i2p/faq" target="_blank">http://i2p-projekt.i2p/faq</a>.
5
6<h3>My router has been up for several minutes and has zero or very few connections</h3>
7
8<p>If after a few minutes of uptime your router is indicating 0 Active Peers and 0 Known Peers, with a notification in the sidebar that you need to check your network connection, verify that you can access the internet.
9If your internet connection is functional, you may need to unblock Java in your firewall.
10Otherwise, you may need to reseed your I2P router. Visit the <a href="/configreseed#reseedconfig">Reseed Configuration page</a> and click the "Save Changes and Reseed Now" button.</p>
11
12<h3>My router has very few active peers, is this OK?</h3>
13
14<p>If your router has 10 or more active peers, everything is fine.
15The router should maintain connections to a few peers at all times.
16The best way to stay "better-connected" to the network is to <a href="/config">share more bandwidth</a>.</p>
17
18<h3 id="addressbooksubs">I'm missing lots of hosts in my addressbook. What are some good subscription links?</h3>
19
20<p>The default subscription is to <code>http://i2p-projekt.i2p/hosts.txt</code> which is seldom updated.
21If you don't have another subscription, you may often have to use "jump" links which is much slower but ensures that your addressbook is only populated by sites you use (in addition to the default subscription addresses).
22To speed up browsing on I2P, it's a good idea to add some addressbook subscriptions.</p>
23
24<p>Here are some other public addressbook subscription links.
25You may wish to add one or two to your <a href="/susidns/subscriptions">susidns subscription list</a>.
26In the event that addresses conflict in the subscriptions, the lists placed at the top of your susidns configuration will take precedence over those placed further down.</p>
27
28<ul>
29<li><code>http://stats.i2p/cgi-bin/newhosts.txt</code></li>
30<li><code>http://no.i2p/export/alive-hosts.txt</code></li>
31<li><code>http://identiguy.i2p/hosts.txt</code></li>
32</ul>
33
34<p>Note that subscribing to a hosts.txt service is an act of trust, as a malicious subscription could give you incorrect addresses, so be careful subscribing to lists from unknown sources.
35The operators of these services may have various policies for listing hosts.
36Presence on this list does not imply endorsement.</p>
37
38<h3>How do I access IRC, BitTorrent, or other services on the regular Internet?</h3>
39
40<p>Unless an outproxy has been set up for the service you want to connect to, this is not possible.
41There are only three types of outproxies running right now: HTTP, HTTPS, and email.
42Note that there is currently no publicly listed SOCKS outproxy.
43If this type of service is required, try <a href="https://torproject.org/" target="_blank">Tor</a>.</p>
44
45<h3>How do I configure my browser to access .i2p websites?</h3>
46<p>You will need to configure your browser to use the HTTP proxy server (by default on host: <code>127.0.0.1</code> port: <code>4444</code>).
47See the <a href="https://geti2p.net/en/about/browser-config" target="_blank">Browser Proxy Configuration Guide</a> for a more detailed explanation.</p>
48
49<h3>What is an eepsite?</h3>
50
51<p>An eepsite is a website that is hosted anonymously on the I2P network - you can access it by configuring your web browser to use I2P's HTTP proxy (see above) and browsing to the <code>.i2p</code> suffixed website (e.g. <a href="http://i2p-projekt.i2p" target="_blank">http://i2p-projekt.i2p</a>).
52Also ensure your browser is configured to resolve DNS remotely when using the proxy to avoid DNS leaks.</p>
53
54<h3>Most of the eepsites are down?</h3>
55
56<p>If you consider every eepsite that has ever been created, yes, most of them are down.
57People and eepsites come and go.
58A good way to get started in I2P is check out a list of eepsites that are currently up.
59<a href="http://identiguy.i2p" target="_blank">http://identiguy.i2p</a> tracks active eepsites.</p>
60
61<h3>How do I connect to IRC within I2P?</h3>
62
63<p>A tunnel to the main IRC server network within I2P, Irc2P, is created when I2P is installed (see the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>), and is automatically started when the I2P router starts.
64To connect to it, tell your IRC client to connect to server: <code>127.0.0.1</code> port: <code>6668</code>.</p>
65
66<p>HexChat-like client users can create a new network with the server <code>127.0.0.1/6668</code> (remember to tick "Bypass proxy server" if you have a proxy server configured), or you can connect with the command <code>/server 127.0.0.1 6668</code>.
67Different IRC clients may require a different command, consult your IRC client's manual for more information.</p>
68
69<h3>What ports does I2P use?</h3>
70
71<table id="portfaq">
72<tr><th colspan="3">LOCAL PORTS</th></tr>
73<tr><td colspan="3" class="infohelp">These are the local I2P port mappings, listening only to local connections by default, except where noted.
74Unless you require access from other machines, they should only be accessible from localhost.</td></tr>
75<tr><th>Port</th><th>Function</th><th>Notes</th></tr>
76<tr><td>1900</td>
77<td>UPnP SSDP UDP multicast listener</td>
78<td>Cannot be changed.
79Binds to all interfaces.
80Can be disabled on the <a href="/confignet">Network Configuration page</a>.</td></tr>
81<tr><td>2827</td>
82<td>BOB bridge</td>
83<td>A higher level socket API for clients.
84Can be enabled/disabled on the <a href="/configclients">Client Configuration page</a>.
85Can be changed in the <code>bob.config</code> file. [Disabled by default]</td></tr>
86<tr><td>4444</td>
87<td>HTTP proxy</td>
88<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
89Can also be configured to bind to a specific interface or all interfaces.</td></tr>
90<tr><td>4445</td>
91<td>HTTPS proxy</td>
92<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
93Can also be configured to bind to a specific interface or all interfaces.</td></tr>
94<tr><td>6668</td>
95<td>IRC proxy</td>
96<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
97Can also be configured to bind to a specific interface or all interfaces.</td></tr>
98<tr><td>7652</td>
99<td>UPnP HTTP TCP event listener</td>
100<td>Binds to the LAN address. Can be changed with advanced config <code>i2np.upnp.HTTPPort=nnnn</code>.
101Can be disabled on the <a href="/confignet">Network Configuration page</a>.</td></tr>
102<tr><td>7653</td>
103<td>UPnP SSDP UDP search response listener</td>
104<td>Binds to all interfaces.
105Can be changed with advanced config <code>i2np.upnp.SSDPPort=nnnn</code>.
106Can be disabled on the <a href="/configclients">Client Configuration page</a>.</td></tr>
107<tr><td>7654</td>
108<td>I2P Client Protocol port</td>
109<td>Used by client apps. Can be changed to a different port on the <a href="/configclients">Client Configuration page</a> but this is not recommended.
110Can be bound to a different interface or all interfaces, or disabled, on the <a href="/configclients">Client Configuration page</a>.</td></tr>
111<tr><td>7655</td>
112<td>UDP for SAM bridge</td>
113<td>A higher level socket API for clients.
114Only opened when a SAM V3 client requests a UDP session.
115Can be enabled/disabled on the <a href="/configclients"> Client Configuration page</a>.
116Can be changed in the <code>clients.config</code> file with the SAM command line option <code>sam.udp.port=nnnn</code>.</td></tr>
117<tr><td>7656</td>
118<td>SAM bridge</td>
119<td>A higher level socket API for clients.
120Can be enabled/disabled on the <a href="/configclients">Client Configuration page</a>.
121Can be changed in the <code>clients.config</code> file. [Disabled by default]</td></tr>
122<tr><td>7657</td>
123<td>I2P Router Console (Web interface)</td>
124<td>Can be disabled in the <code>clients.config</code> file.
125Can also be configured to bind to a specific interface or all interfaces in that file.
126If you make the Router Console available over the network, you might wish to <a href="/configui#passwordheading">enforce an access password</a> to prevent unauthorized access.</td></tr>
127<tr><td>7658</td>
128<td>I2P Web Server</td>
129<td>Can be disabled in the <code>clients.config</code> file.
130Can also be configured to bind to a specific interface or all interfaces in the <code>jetty.xml</code> file.</td>
131</tr>
132<tr><td>7659</td>
133<td>Outgoing mail to smtp.postman.i2p</td>
134<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
135Can also be configured to bind to a specific interface or all interfaces.</td></tr>
136<tr><td>7660</td>
137<td>Incoming mail from pop.postman.i2p</td>
138<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
139Can also be configured to bind to a specific interface or all interfaces.</td></tr>
140<tr><td>8998</td>
141<td>mtn.i2p2.i2p (I2P's Monotone DVCS)</td>
142<td>Can be disabled or changed in the <a href="/i2ptunnelmgr">I2P Tunnel Manager</a>.
143Can also be configured to bind to a specific interface or all interfaces. [Disabled by default]</td></tr>
144<tr><td>31000</td>
145<td>Local connection to wrapper control channel port</td>
146<td>Outbound to 32000 only, does not listen on this port.
147Starts at 31000 and will increment until 31999 looking for a free port.
148To change, see the <a href="http://wrapper.tanukisoftware.com/doc/english/prop-port.html" target="_blank">wrapper documentation</a>.</td></tr>
149<tr><td>32000</td>
150<td>Local control channel for the service wrapper</td>
151<td>To change, see the <a href="http://wrapper.tanukisoftware.com/doc/english/prop-port.html" target="_blank">wrapper documentation</a>.</td></tr>
152<tr><th colspan="3">INTERNET FACING PORTS</th></tr>
153<tr><td colspan="3" class="infohelp">I2P selects a random port between 9000 and 31000 to communicate with other routers when the program is run for the first time, or when your external IP address changes when running in <a href="/confignet#ipchange">Laptop Mode</a>.
154The <a href="/confignet#udpconfig">selected port</a> is shown on the <a href="/confignet">Network Configuration page</a>.</td></tr>
155<tr><td colspan="3">Outbound UDP from the <a href="/confignet#udpconfig">random port</a> noted on the Network Configuration page to arbitrary remote UDP ports, allowing replies.</td></tr>
156<tr><td colspan="3">Outbound TCP from random high ports to arbitrary remote TCP ports.</td></tr>
157<tr><td colspan="3">Inbound UDP to the <a href="/confignet#udpconfig">port</a> noted on the Network Configuration page from arbitrary locations (optional, but recommended).</td></tr>
158<tr><td colspan="3">Inbound TCP to the <a href="/confignet#externaltcp">port</a> noted on the Network Configuration page from arbitrary locations (optional, but recommended).
159<a href="/confignet#tcpconfig">Inbound TCP</a> may be disabled on the Network Configuration page.</td></tr>
160<tr><td colspan="3">Outbound UDP on port 123, allowing replies: this is necessary for I2P's internal time sync (via SNTP - querying a random SNTP host in <code>pool.ntp.org</code> or another server you specify).</td></tr>
161</table>
162
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