[ 300 ]ssl_protocols directive 38
ssl_protocols (http) directive 255
ssl_protocols (mail) directive 255
ssl_session_cache directive 38 , 91
ssl_session_cache (http) directive 255
ssl_session_cache (mail) directive 256
ssl_session_timeout directive 38
ssl_session_timeout (http) directive 256
ssl_session_timeout (mail) directive 256
ssl_stapling directive 256
ssl_stapling_file directive 256
ssl_stapling_responder directive 256
ssl_stapling_verify directive 257
ssl_trusted_certificate directive 257
ssl_verify_client directive 94 , 257
ssl_verify_depth directive 94 , 257
starttls directive 257
store 109
Stub Status module
about 213
using 214
sub_filter directive 171 , 257
sub_filter_once directive 170 , 171 , 257
sub_filter_types directive 171 , 257
sub module
about 170
directives 171
subrequests 116
sudo command 8
T
tcp_nodelay directive 29 , 257
tcp_nopush directive 29 , 258
third-party modules
finding 18
installing, steps for 18
timeout directive 50 , 258
timer_resolution directive 258
TLS 46
traffic
blocking, based on originating
IP address 95 - 97
encrypting, with SSL 90 - 92
troubleshooting techniques
advanced logging, configuring 194
configuration errors 203
log files, analyzing 189
operating system limits 207
performance issues 211 , 212
Stub Status module, using 213
try_files directive 35 , 77 , 123 , 124 , 193 , 198 ,
205 , 258 , 273
types directive 127 , 258
types_hash_bucket_size directive 27 , 258
types_hash_max_size directive 27 , 259U
underscores_in_headers directive 127 , 259
uninitialized_variable_warn directive 259
unitialized_variable_warn directive 270
upstream directive 259
upstream issues
handling, error documents used 85
upstream module
about 73 - 75
directives 73
keepalive connections 74
load-balancing algorithms 75
upstream servers
about 65 , 76
types 76
upstream servers, types
multiple 77 , 78
non-HTTP 79
single 76 , 77
use directive 23 , 259
user directive 22 , 259
userid directive 186 , 260
userid_domain directive 186 , 260
userid_expires directive 186 , 260
userid_mark directive 260
userid module
about 17 , 185
directives 186
userid_name directive 186 , 260
userid_p3p directive 186 , 260
userid_path directive 186 , 260
userid_service directive 186 , 260
uWSGI
wiring, with NGINX 154
uwsgi module 154
uWSGI upstream servers 81