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| <section> |
| <h2><a name="James_1.2.1_-_Using_TLS"></a>James 1.2.1 - Using TLS</h2> |
| |
| |
| <p> |
| This document explains how to enable JAMES 1.2.1 to use Transport Layer |
| Security (TLS) (ie SSL). |
| </p> |
| </section> |
| |
| <section> |
| <h2><a name="Obtain_JSSE"></a>Obtain JSSE</h2> |
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| provider definition. (See notes with JSSE distribution) |
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| <p> |
| Note that the US export restrictions still apply to JSSE |
| (at version 1.0.2), so while both the international and domestic versions |
| offer the same level of crypto, the international version does not take |
| alternative providers. |
| </p> |
| |
| </section> |
| |
| <section> |
| <h2><a name="Enable_TLS"></a>Enable TLS</h2> |
| |
| |
| <p> |
| Using JAMES with TLS. You need to do three things over and above the |
| normal operation of James: |
| </p> |
| <ul> |
| |
| <li>In Avalon.conf.xml, uncomment the TLS listener defintion.</li> |
| |
| <li>In JAMES.conf.xml, uncomment the <useTLS>TRUE</useTLS> element |
| for the service you want to use TLS. It is currently available for |
| remote manager and POP3. (If using POP3 over TLS, it is probably best |
| to change port to 995, which is the IANA designated POP3S port).</li> |
| |
| <li> Ensure that avalonTestKeys is in the conf directory. You may need |
| to manually extract this from the Avalon.jar (with: jar xvf Avalon.jar |
| conf/avalonTestKeys). Note that this is a self-signed certificate for |
| test purposes only. You can specify a different server certificate in |
| the Avalon.conf.xml file.</li> |
| </ul> |
| |
| |
| <p> |
| Start James |
| </p> |
| </section> |
| |
| <section> |
| <h2><a name="Verify_TLS-enabled_JAMES"></a>Verify TLS-enabled JAMES</h2> |
| |
| <p> |
| (Positive Test) Use an SSL client to open a socket to the appropriate port. |
| I used openssl from www.openssl.org to test this. |
| E.g. openssl s_client -connect localhost:4555. You should see the normal |
| remote manager or POP3 server greeting and have normal operation. |
| <br /> |
| - If, using openssl s_client, you get a connection refused/ error no |
| 111, just try again. This probably means you got to the port before it |
| was ready. |
| </br> |
| </p> |
| |
| <p> |
| (Negative Test) telnet to port 4555 (ie without SSL). This should hang the |
| telnet client. It should also lock port 4555 until the connection times out, |
| I think. |
| </p> |
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