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mod_firewall/README.markdown @ 4236:c316ad1087d4
mod_firewall: Some additional documentation improvements, particularly adding section links where needed
author | Matthew Wild <mwild1@gmail.com> |
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date | Fri, 06 Nov 2020 11:17:30 +0000 |
parent | 4235:45606c9f529a |
child | 4583:bb8459c220c9 |
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--- a/mod_firewall/README.markdown Fri Nov 06 11:16:48 2020 +0000 +++ b/mod_firewall/README.markdown Fri Nov 06 11:17:30 2020 +0000 @@ -73,7 +73,7 @@ firewall_scripts = { "path/to/ruleset.pfw", "path/to/ruleset2.pfw" } -If multiple files are specified and they both add rules to the same chains, +If multiple files are specified and they both add rules to the same [chains](#chains), each file's rules will be processed in order, but the order of files is undefined. Reloading Prosody's configuration also reloads firewall rules. @@ -179,7 +179,7 @@ #### CHECK LIST -Checks whether a simple expression is found in a given list. +Checks whether a simple [expression](#expressions) is found in a given list. Example: @@ -259,8 +259,8 @@ `TO SELF` The stanza is sent by any of a user's resources to their own bare JID. `TO FULL JID` The stanza is addressed to a valid full JID on the local server (full JIDs include a resource at the end, and only exist for the lifetime of a single session, therefore the recipient must be online, or this check will not match). -The TO and FROM conditions both accept wildcards in the JID when the wildcard -expression is enclosed in angle brackets ('\<...\>'). For example: +The TO and FROM conditions both accept wildcards in the JID when it is +enclosed in angle brackets ('\<...\>'). For example: # All users at example.com FROM: <*>@example.com @@ -280,7 +280,7 @@ **Note:** It is important to know that 'example.com' is a valid JID on its own, and does **not** match 'user@example.com'. To perform domain -whitelists or blacklists, use Zones. +whitelists or blacklists, use [Zones](#zones). Condition Matches ---------------- --------------------------------------------------------------- @@ -295,7 +295,7 @@ **Note:** Some chains execute before Prosody has performed any normalisation or validity checks on the to/from JIDs on an incoming stanza. It is not advisable to perform access control or similar rules -on JIDs in these chains (see the chain documentation for more info). +on JIDs in these chains (see the [chain documentation](#chains) for more info). #### INSPECT @@ -360,7 +360,7 @@ ### Roster These functions access the roster of the recipient (only). Therefore they cannot (currently) -be used in some chains, such as for outgoing messages (the recipient may be on another server). +be used in some [chains](#chains), such as for outgoing messages (the recipient may be on another server). Performance note: this check can potentially cause storage access (especially if the recipient is currently offline), so you may want to limit its use in high-traffic situations, and place @@ -383,7 +383,7 @@ Tests whether the recipient is subscribed to the sender, ie will receive presence updates from them. -Note that this *does* work, regardless of direction and which chain is +Note that this *does* work, regardless of direction and which [chain](#chain) is used, since both the sender and the recipient will have mirrored roster entries. @@ -518,7 +518,7 @@ LIMIT: normal on EXPRESSION -For more information on expressions, see the section later in this document. +For more information on [expressions](#expressions), see the section later in this document. Each value of 'EXPRESSION' has to be tracked individually in a table, which uses a small amount of memory. To prevent memory exhaustion, the number of tracked values is limited to 1000 by default. You can override this by setting the @@ -620,9 +620,8 @@ --------------- ------------------------------------------------------------------------------------------------------------------------ `LOG=message` Logs the given message to Prosody's log file. Optionally prefix it with a log level in square brackets, e.g. `[debug]` -You can include expressions in log messages, using `$(...)` syntax. For example, to log the stanza that matched the rule, you can use `$(stanza)`, -or to log just the top tag of the stanza, use `$(stanza:top_tag())`. -To fetch the sender JID, use `$(stanza.attr.from)`. +You can include [expressions](#expressions) in log messages, using `$(...)` syntax. For example, to log the stanza that matched the rule, +you can use `$(stanza)`, or to log just the top tag of the stanza, use `$(stanza:top_tag())`. To fetch the sender JID, use `$(stanza.attr.from)`. Example: