135 lines
2.6 KiB
Plaintext
135 lines
2.6 KiB
Plaintext
# Block SQL injections
|
|
set $block_sql_injections 0;
|
|
|
|
if ($query_string ~ "union.*select.*\(") {
|
|
set $block_sql_injections 1;
|
|
}
|
|
|
|
if ($query_string ~ "union.*all.*select.*") {
|
|
set $block_sql_injections 1;
|
|
}
|
|
|
|
if ($query_string ~ "concat.*\(") {
|
|
set $block_sql_injections 1;
|
|
}
|
|
|
|
if ($block_sql_injections = 1) {
|
|
return 403;
|
|
}
|
|
|
|
# Block file injections
|
|
set $block_file_injections 0;
|
|
|
|
if ($query_string ~ "[a-zA-Z0-9_]=http://") {
|
|
set $block_file_injections 1;
|
|
}
|
|
|
|
if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
|
|
set $block_file_injections 1;
|
|
}
|
|
|
|
if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
|
|
set $block_file_injections 1;
|
|
}
|
|
|
|
if ($block_file_injections = 1) {
|
|
return 403;
|
|
}
|
|
|
|
# Block common exploits
|
|
set $block_common_exploits 0;
|
|
|
|
if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($query_string ~ "proc/self/environ") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($query_string ~ "base64_(en|de)code\(.*\)") {
|
|
set $block_common_exploits 1;
|
|
}
|
|
|
|
if ($block_common_exploits = 1) {
|
|
return 403;
|
|
}
|
|
|
|
# Block spam
|
|
set $block_spam 0;
|
|
|
|
if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") {
|
|
set $block_spam 1;
|
|
}
|
|
|
|
if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") {
|
|
set $block_spam 1;
|
|
}
|
|
|
|
if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") {
|
|
set $block_spam 1;
|
|
}
|
|
|
|
if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") {
|
|
set $block_spam 1;
|
|
}
|
|
|
|
if ($block_spam = 1) {
|
|
return 403;
|
|
}
|
|
|
|
# Block user agents
|
|
set $block_user_agents 0;
|
|
|
|
if ($http_user_agent ~ "Indy Library") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "libwww-perl") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "GetRight") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "GetWeb!") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "Go!Zilla") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "Download Demon") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "Go-Ahead-Got-It") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "TurnitinBot") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($http_user_agent ~ "GrabNet") {
|
|
set $block_user_agents 1;
|
|
}
|
|
|
|
if ($block_user_agents = 1) {
|
|
return 403;
|
|
}
|