<h1 id="security-level">Security levelconfinement">Security confinement</h1>

<h1 id="confinement">Security confinement</h1>

<p>To prevent Tails from running out of memory and crashing, download
very big files to the <emi>Persistent/Tor Browser</em</i> folder.
All tThe files that you download outside of the Persistent Storage are
stored in memory (RAM), which is more limited.</p>

<p>To prevent Tails from running out of memory and crashing, download
very big files to the <i>Persistent</i> folder.
The files that you download outside of the Persistent Storage are
stored in memory (RAM), which is more limited.</p>

<h1 id="https-everywhere">HTTPS encrypSecure connections with HTTPS Everywhere</h1>

<h1 id="https-everywhere">Secure connections with HTTPS</h1>

All the data exchanged between your browser and the server you are visiting is encrypted. HTTPSUsing HTTPS instead of HTTP encrypts your communications with the website and prevents the [[Tor exit node from eavesdroppintercepting on your communications|doc/about/warnings/tor#exit_node]].

Using HTTPS instead of HTTP encrypts your communications with the website and prevents the [[Tor exit node from intercepting your communications|about/warnings/tor#exit]].

To learn more about HTTPS Everywhere, you canand how *Tor Browser* protects you, see:

To learn more about HTTPS and how *Tor Browser* protects you, see:

STo change the security level:

To change the security level:

To change the security level, click onSelect the [[!img security-level.png
link="no" class="symbolic" link="no"]] icon on the right of the address bar
and choose
<span class="guilabel">Advanced Security Settings&hellip;</span>.
.

Select the [[!img security-level.png link="no" class="symbolic"]] icon on the right of the address bar.

Select a new security level.

Select a new security level.

Click on the padlockSelect the [[!img tor-circuit.png alt="Tor Circuit" class="symbolic"
link="no"]] button in the address bar to show the relays in the Tor circuit that is used to connect to the website in the current tab, its 3 relays, their countries, and IP addresses.

Select the [[!img tor-circuit.png alt="Tor Circuit" class="symbolic"
link="no"]] button in the address bar to show the relays in the Tor circuit
that is used to connect to the website in the current tab.

You can use
<span class="application"> *[[Onion Circuits|doc/anonymous_internet/tor_status]]</span>
/circuits]]* to get more detailed information about the circuits being used.

You can use *[[Onion Circuits|doc/anonymous_internet/tor/circuits]]* to get more detailed information about the circuits being used.

<h1 id="new-identity"><span class="guilabel"b>New Identity</spanb> feature</h1>

<h1 id="new-identity"><b>New Identity</b> feature</h1>

To switch to a new identity, choose
<span class="menuchoice">
<span class="guimenu"> [[!img lib/open-menu.png alt="" Open Application Menu"
class="symbolic" link="no"]]</span>&nbsp;▸
<span class="guimenuitem">&nbsp;▸ **New Iidentity</span></span>**.

To switch to a new identity, choose [[!img lib/open-menu.png alt="Open Application Menu"
class="symbolic" link="no"]]&nbsp;▸ **New identity**.

The <span class="guilabel">New Identity</span> feature of
<span class="application"i>Tor Browser</spani>:

The New Identity feature of
<i>Tor Browser</i>:

- Closes all open tabs.

Closes all open tabs.

- Clears the session state including cache, history, and cookies.

Clears the session state including cache, history, and cookies.

- Closes all existing web connections and creates new Tor circuits.

Closes all existing web connections and creates new Tor circuits.

<h1 id="letterboxing">Letterboxing</h1>

[[!img letter-boxing.png link=noclass="screenshot" alt=""]]

[[!img letter-boxing.png class="screenshot" alt=""]]