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A share tcp-check ruleset is now created to support smtp checks. This way no
extra memory is used if several backends use a smtp check.
The following sequence is used :
tcp-check connect default linger
tcp-check expect rstring "^[0-9]{3}[ \r]" min-recv 4 \
error-status "L7RSP" on-error "%[check.payload(),cut_crlf]"
tcp-check expect rstring "^2[0-9]{2}[ \r]" min-recv 4 \
error-status "L7STS" \
on-error %[check.payload(4,0),ltrim(' '),cut_crlf] \
status-code "check.payload(0,3)"
tcp-echeck send "%[var(check.smtp_cmd)]\r\n" log-format
tcp-check expect rstring "^2[0-9]{2}[- \r]" min-recv 4 \
error-status "L7STS" \
on-error %[check.payload(4,0),ltrim(' '),cut_crlf] \
on-success "%[check.payload(4,0),ltrim(' '),cut_crlf]" \
status-code "check.payload(0,3)"
The variable check.smtp_cmd is by default the string "HELO localhost" by may be
customized setting <helo> and <domain> parameters on the option smtpchk
line. Note there is a difference with the old smtp check. The server gretting
message is checked before send the HELO/EHLO comand.
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| .github | ||
| contrib | ||
| doc | ||
| ebtree | ||
| examples | ||
| include | ||
| reg-tests | ||
| scripts | ||
| src | ||
| tests | ||
| .cirrus.yml | ||
| .gitignore | ||
| .travis.yml | ||
| BRANCHES | ||
| CHANGELOG | ||
| CONTRIBUTING | ||
| INSTALL | ||
| LICENSE | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
| ROADMAP | ||
| SUBVERS | ||
| VERDATE | ||
| VERSION | ||
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)