Hi,
Lets run simple query against host (real hostnames replaced).
curl https://testhost01.tld -o /dev/null -vvv
Request headers:
> GET / HTTP/1.1
> Host: testhost01.tld
> User-Agent: curl/7.58.0
> Accept: */*
Response headers:
< HTTP/1.1 200 OK
< Date: Tue, 10 Apr 2018 12:23:44 GMT
< Content-Encoding: gzip
< Content-Type: text/html;charset=utf-8
< Cache-Control: no-cache
< Date: Tue, 10 Apr 2018 12:23:44 GMT
< Accept-Ranges: bytes
< Server: Restlet-Framework/2.3.4
< Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept
< Connection: close
< Access-Control-Allow-Origin: *
< Strict-Transport-Security: max-age=15768000
This happens even when either compression algo nor compression type are
specified in haproxy configuration file.
But lets say during request that we don't want any compression:
curl https://testhost01.tld -H "Accept-Encoding: identity" -o /dev/null -vvv
Request headers:
> GET / HTTP/1.1
> Host: testhost01.tld
> User-Agent: curl/7.58.0
> Accept: */*
> Accept-Encoding: identity
Response headers:
< HTTP/1.1 200 OK
< Date: Tue, 10 Apr 2018 12:40:25 GMT
< Content-Encoding: gzip
< Content-Type: text/html;charset=utf-8
< Cache-Control: no-cache
< Date: Tue, 10 Apr 2018 12:40:25 GMT
< Accept-Ranges: bytes
< Server: Restlet-Framework/2.3.4
< Vary: Accept-Charset, Accept-Encoding, Accept-Language, Accept
< Connection: close
< Access-Control-Allow-Origin: *
< Strict-Transport-Security: max-age=15768000
Still, response is gzipped.
HA-Proxy version 1.6.14-66af4a1 2018/01/02
Copyright 2000-2018 Willy Tarreau <[email protected]>
Build options :
TARGET = linux2628
CPU = generic
CC = gcc
CFLAGS = -m64 -march=x86-64 -O2 -g -fno-strict-aliasing
-Wdeclaration-after-statement -fwrapv
OPTIONS = USE_ZLIB=1 USE_OPENSSL=1 USE_LUA=1 USE_STATIC_PCRE=1
Default settings :
maxconn = 2000, bufsize = 16384, maxrewrite = 1024, maxpollevents = 200
Encrypted password support via crypt(3): yes
Built with zlib version : 1.2.3
Running on zlib version : 1.2.3
Compression algorithms supported : identity("identity"),
deflate("deflate"), raw-deflate("deflate"), gzip("gzip")
Built with OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
Running on OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
OpenSSL library supports TLS extensions : yes
OpenSSL library supports SNI : yes
OpenSSL library supports prefer-server-ciphers : yes
Built with PCRE version : 7.8 2008-09-05
Running on PCRE version : 7.8 2008-09-05
PCRE library supports JIT : no (USE_PCRE_JIT not set)
Built with Lua version : Lua 5.3.4
Built with transparent proxy support using: IP_TRANSPARENT
IPV6_TRANSPARENT IP_FREEBIND
Available polling systems :
epoll : pref=300, test result OK
poll : pref=200, test result OK
select : pref=150, test result OK
Total: 3 (3 usable), will use epoll.
HA-Proxy version 1.6.14-66af4a1 2018/01/02
Copyright 2000-2018 Willy Tarreau <[email protected]>
Build options :
TARGET = linux2628
CPU = generic
CC = gcc
CFLAGS = -m64 -march=x86-64 -O2 -g -fno-strict-aliasing
-Wdeclaration-after-statement -fwrapv
OPTIONS = USE_ZLIB=1 USE_OPENSSL=1 USE_LUA=1 USE_STATIC_PCRE=1
Default settings :
maxconn = 2000, bufsize = 16384, maxrewrite = 1024, maxpollevents = 200
Encrypted password support via crypt(3): yes
Built with zlib version : 1.2.3
Running on zlib version : 1.2.3
Compression algorithms supported : identity("identity"),
deflate("deflate"), raw-deflate("deflate"), gzip("gzip")
Built with OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
Running on OpenSSL version : OpenSSL 1.0.1e-fips 11 Feb 2013
OpenSSL library supports TLS extensions : yes
OpenSSL library supports SNI : yes
OpenSSL library supports prefer-server-ciphers : yes
Built with PCRE version : 7.8 2008-09-05
Running on PCRE version : 7.8 2008-09-05
PCRE library supports JIT : no (USE_PCRE_JIT not set)
Built with Lua version : Lua 5.3.4
Built with transparent proxy support using: IP_TRANSPARENT
IPV6_TRANSPARENT IP_FREEBIND
Available polling systems :
epoll : pref=300, test result OK
poll : pref=200, test result OK
select : pref=150, test result OK
Total: 3 (3 usable), will use epoll.