Mercurial > prosody-modules
annotate mod_tls_policy/README.markdown @ 5468:14b5446e22e1
mod_http_oauth2: Fix returning errors from response handlers
This would either redirect the user back to the client along with the
error code, or show the error HTML template.
Previously this would just show some JSON to the user.
| author | Kim Alvefur <zash@zash.se> |
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| date | Thu, 18 May 2023 12:57:23 +0200 |
| parents | ad24f8993385 |
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ad24f8993385
mod_tls_policy/README: Fix summary so modules.prosody.im understands it
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parents:
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1 --- |
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ad24f8993385
mod_tls_policy/README: Fix summary so modules.prosody.im understands it
Kim Alvefur <zash@zash.se>
parents:
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2 summary: Cipher policy enforcement with application level error reporting |
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mod_tls_policy/README: Fix summary so modules.prosody.im understands it
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parents:
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3 ... |
| 1842 | 4 |
| 5 # Introduction | |
| 6 | |
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7 This module arose from discussions at the XMPP Summit about enforcing |
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8 better ciphers in TLS. It may seem attractive to disallow some insecure |
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032b209bb8ff
mod_tls_policy/README: Reflow and strip trailing whitespace (pandoc thougt it meant explicit line breaks)
Kim Alvefur <zash@zash.se>
parents:
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9 ciphers or require forward secrecy, but doing this at the TLS level |
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032b209bb8ff
mod_tls_policy/README: Reflow and strip trailing whitespace (pandoc thougt it meant explicit line breaks)
Kim Alvefur <zash@zash.se>
parents:
1842
diff
changeset
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10 would the user with an unhelpful "Encryption failed" message. This |
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032b209bb8ff
mod_tls_policy/README: Reflow and strip trailing whitespace (pandoc thougt it meant explicit line breaks)
Kim Alvefur <zash@zash.se>
parents:
1842
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changeset
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11 module does this enforcing at the application level, allowing better |
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032b209bb8ff
mod_tls_policy/README: Reflow and strip trailing whitespace (pandoc thougt it meant explicit line breaks)
Kim Alvefur <zash@zash.se>
parents:
1842
diff
changeset
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12 error messages. |
| 1842 | 13 |
| 14 # Configuration | |
| 15 | |
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parents:
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16 First, download and add the module to `module_enabled`. Then you can |
| 1842 | 17 decide on what policy you want to have. |
| 18 | |
| 19 Requiring ciphers with forward secrecy is the most simple to set up. | |
| 20 | |
| 21 ``` lua | |
| 22 tls_policy = "FS" -- allow only ciphers that enable forward secrecy | |
| 23 ``` | |
| 24 | |
| 25 A more complicated example: | |
| 26 | |
| 27 ``` lua | |
| 28 tls_policy = { | |
| 29 c2s = { | |
| 30 encryption = "AES"; -- Require AES (or AESGCM) encryption | |
| 31 protocol = "TLSv1.2"; -- and TLSv1.2 | |
| 32 bits = 128; -- and at least 128 bits (FIXME: remember what this meant) | |
| 33 } | |
| 34 s2s = { | |
| 35 cipher = "AESGCM"; -- Require AESGCM ciphers | |
| 36 protocol = "TLSv1.[12]"; -- and TLSv1.1 or 1.2 | |
| 37 authentication = "RSA"; -- with RSA authentication | |
| 38 }; | |
| 39 } | |
| 40 ``` | |
| 41 | |
| 42 # Compatibility | |
| 43 | |
| 44 Requires LuaSec 0.5 | |
| 45 |