Haproxy 1.5.12 正式发布 Web 负载均衡

Haproxy 1.5.12 正式发布，此版本修复了一些 bugs，其中两个会因为一些特定的配置而发生崩溃。还有一些关于 RFC7230 方面的 bug 修复。此版本禁用了日志记录，响应 400/408 和空白连接错误计数器。其他改进：

– BUG/MINOR: ssl: Display correct filename in error message
– DOC: Fix L4TOUT typo in documentation
– BUG/MEDIUM: Do not consider an agent check as failed on L7 error
– BUG/MINOR: pattern: error message missing
– BUG/MEDIUM: pattern: some entries are not deleted with case insensitive match
– BUG/MEDIUM: buffer: one byte miss in buffer free space check
– BUG/MAJOR: http: don’t read past buffer’s end in http_replace_value
– BUG/MEDIUM: http: the function “(req|res)-replace-value” doesn’t respect the HTTP syntax
– BUG/MEDIUM: peers: correctly configure the client timeout
– BUG/MINOR: compression: consider the expansion factor in init
– BUG/MEDIUM: http: hdr_cnt would not count any header when called without name
– BUG/MEDIUM: listener: don’t report an error when resuming unbound listeners
– BUG/MEDIUM: init: don’t limit cpu-map to the first 32 processes only
– BUG/MEDIUM: stream-int: always reset si->ops when si->end is nullified
– BUG/MEDIUM: http: remove content-length from chunked messages
– DOC: http: update the comments about the rules for determining transfer-length
– BUG/MEDIUM: http: do not restrict parsing of transfer-encoding to HTTP/1.1
– BUG/MEDIUM: http: incorrect transfer-coding in the request is a bad request
– BUG/MEDIUM: http: remove content-length form responses with bad transfer-encoding
– MEDIUM: http: restrict the HTTP version token to 1 digit as per RFC7230
– MEDIUM: http: add option-ignore-probes to get rid of the floods of 408
– BUG/MINOR: config: clear proxy->table.peers.p for disabled proxies
– MINOR: stick-table: don’t attach to peers in stopped state
– MEDIUM: config: initialize stick-tables after peers, not before
– MEDIUM: peers: add the ability to disable a peers section
– DOC: document option http-ignore-probes
– DOC: fix the comments about the meaning of msg->sol in HTTP
– BUG/MEDIUM: http: wait for the exact amount of body bytes in wait_for_request_body
– BUG/MAJOR: http: prevent risk of reading past end with balance url_param
– DOC: update the doc on the proxy protocol