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| author | Tony Finch <dot@dotat.at> | 2013-05-23 16:58:32 +0100 |
|---|---|---|
| committer | Tony Finch <dot@dotat.at> | 2013-05-23 18:44:04 +0100 |
| commit | 7a5698faf84452ff9dcef170b3580921a4c3c9bf (patch) | |
| tree | 8139b499fbd60d8c1aef57c56ac5f052111c5cda /doc | |
| parent | b0019c78b011504b32f054eac95bf3b27b8e8367 (diff) | |
Documentation for udpsend and ${hexquote:
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 800ef5ec1..bf50a9be8 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -9777,6 +9777,16 @@ This operator converts a hex string into one that is base64 encoded. This can be useful for processing the output of the MD5 and SHA-1 hashing functions. + +.vitem &*${hexquote:*&<&'string'&>&*}*& +.cindex "quoting" "hex-encoded unprintable characters" +.cindex "&%hexquote%& expansion item" +This operator converts non-printable characters in a string into a hex +escape form. Byte values between 33 (!) and 126 (~) inclusive are left +as is, and other byte values are converted to &`\xNN`&, for example a +byt value 127 is converted to &`\x7f`&. + + .vitem &*${lc:*&<&'string'&>&*}*& .cindex "case forcing in strings" .cindex "string" "case forcing" @@ -27074,6 +27084,21 @@ the message is ultimately accepted. For details, see section &<<SECTremoveheadac .cindex "&%set%& ACL modifier" This modifier puts a value into one of the ACL variables (see section &<<SECTaclvariables>>&). + + +.vitem &*udpsend*&&~=&~<&'parameters'&> +This modifier sends a UDP packet, for purposes such as statistics +collection or behaviour monitoring. The parameters are expanded, and +the result of the expansion must be a colon-separated list consisting +of a destination server, port number, and the packet contents. The +server can be specified as a host name or IPv4 or IPv6 address. The +separator can be changed with the usual angle bracket syntax. For +example, you might want to collect information on which hosts connect +when: +.code +udpsend = <; 2001:dB8::dead:beef ; 1234 ;\ + $tod_zulu $sender_host_address +.endd .endlist |