137 lines
2.7 KiB
Plaintext
137 lines
2.7 KiB
Plaintext
## Block SQL injections
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set $block_sql_injections 0;
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if ($query_string ~ "union.*select.*\(") {
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set $block_sql_injections 1;
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}
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if ($query_string ~ "union.*all.*select.*") {
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set $block_sql_injections 1;
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}
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if ($query_string ~ "concat.*\(") {
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set $block_sql_injections 1;
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}
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if ($block_sql_injections = 1) {
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return 403;
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}
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## Block file injections
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set $block_file_injections 0;
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if ($query_string ~ "[a-zA-Z0-9_]=http://") {
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set $block_file_injections 1;
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}
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if ($query_string ~ "[a-zA-Z0-9_]=(\.\.//?)+") {
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set $block_file_injections 1;
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}
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if ($query_string ~ "[a-zA-Z0-9_]=/([a-z0-9_.]//?)+") {
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set $block_file_injections 1;
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}
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if ($block_file_injections = 1) {
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return 403;
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}
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## Block common exploits
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set $block_common_exploits 0;
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if ($query_string ~ "(<|%3C).*script.*(>|%3E)") {
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set $block_common_exploits 1;
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}
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if ($query_string ~ "GLOBALS(=|\[|\%[0-9A-Z]{0,2})") {
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set $block_common_exploits 1;
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}
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if ($query_string ~ "_REQUEST(=|\[|\%[0-9A-Z]{0,2})") {
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set $block_common_exploits 1;
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}
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if ($query_string ~ "proc/self/environ") {
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set $block_common_exploits 1;
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}
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if ($query_string ~ "mosConfig_[a-zA-Z_]{1,21}(=|\%3D)") {
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set $block_common_exploits 1;
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}
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if ($query_string ~ "base64_(en|de)code\(.*\)") {
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set $block_common_exploits 1;
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}
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if ($block_common_exploits = 1) {
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return 403;
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}
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## Block spam
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set $block_spam 0;
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if ($query_string ~ "\b(ultram|unicauca|valium|viagra|vicodin|xanax|ypxaieo)\b") {
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set $block_spam 1;
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}
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if ($query_string ~ "\b(erections|hoodia|huronriveracres|impotence|levitra|libido)\b") {
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set $block_spam 1;
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}
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if ($query_string ~ "\b(ambien|blue\spill|cialis|cocaine|ejaculation|erectile)\b") {
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set $block_spam 1;
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}
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if ($query_string ~ "\b(lipitor|phentermin|pro[sz]ac|sandyauer|tramadol|troyhamby)\b") {
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set $block_spam 1;
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}
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if ($block_spam = 1) {
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return 403;
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}
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## Block user agents
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set $block_user_agents 0;
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# Disable Akeeba Remote Control 2.5 and earlier
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if ($http_user_agent ~ "Indy Library") {
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set $block_user_agents 1;
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}
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# Common bandwidth hoggers and hacking tools.
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if ($http_user_agent ~ "libwww-perl") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "GetRight") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "GetWeb!") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "Go!Zilla") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "Download Demon") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "Go-Ahead-Got-It") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "TurnitinBot") {
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set $block_user_agents 1;
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}
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if ($http_user_agent ~ "GrabNet") {
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set $block_user_agents 1;
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}
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if ($block_user_agents = 1) {
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return 403;
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}
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