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-- a quick LUA access script for nginx to check IP addresses against an | |
-- `ip_blacklist` set in Redis, and if a match is found send a HTTP 403. | |
-- | |
-- allows for a common blacklist to be shared between a bunch of nginx | |
-- web servers using a remote redis instance. lookups are cached for a | |
-- configurable period of time. | |
-- | |
-- block an ip: | |
-- redis-cli SADD ip_blacklist 10.1.1.1 | |
-- remove an ip: |
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SHELL=/bin/bash | |
key=my key | |
go: clean | |
@ make --no-print-directory `git ls-files | sed 's/$$/.ubf/'` | |
@ for i in *.ubf; do x=`basename $$i .ubf`; ./my_diff.pl $$x $$i; done | |
words.bf: enc | |
./enc "$(key)" $(words) $@ |
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/** | |
* example C code using libcurl and json-c | |
* to post and return a payload using | |
* http://jsonplaceholder.typicode.com | |
* | |
* Requirements: | |
* | |
* json-c - https://github.com/json-c/json-c | |
* libcurl - http://curl.haxx.se/libcurl/c | |
* |
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local client_ip = ngx.req.get_headers()["X-Forwarded-For"] | |
client_ip = string.match((client_ip or ngx.var.remote_addr), '[%d%.]+') | |
local passed = false | |
for allowed_ip in string.gmatch(ngx.var.allowed_ips, '([%d%.]+)') do | |
if client_ip == allowed_ip then | |
passed = true | |
end | |
end |
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
/* | |
* MCrypt API available online: | |
* http://linux.die.net/man/3/mcrypt | |
*/ | |
#include <mcrypt.h> |
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