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diff --git a/examples/afl_network_proxy/README.md b/examples/afl_network_proxy/README.md deleted file mode 100644 index a5ac3578..00000000 --- a/examples/afl_network_proxy/README.md +++ /dev/null @@ -1,61 +0,0 @@ -# afl-network-proxy - -If you want to run afl-fuzz over the network than this is what you need :) -Note that the impact on fuzzing speed will be huge, expect a loss of 90%. - -## When to use this - -1. when you have to fuzz a target that has to run on a system that cannot - contain the fuzzing output (e.g. /tmp too small and file system is read-only) -2. when the target instantly reboots on crashes -3. ... any other reason you would need this - -## how to get it running - -### Compiling - -Just type `make` and let the autodetection do everything for you. - -Note that you will get a 40-50% performance increase if you have libdeflate-dev -installed. The GNUmakefile will autodetect it if present. - -If your target has large test cases (10+kb) that are ascii only or large chunks -of zero blocks then set `CFLAGS=-DCOMPRESS_TESTCASES=1` to compress them. -For most targets this hurts performance though so it is disabled by default. - -### on the target - -Run `afl-network-server` with your target with the -m and -t values you need. -Important is the -i parameter which is the TCP port to listen on. -e.g.: -``` -afl-network-server -i 1111 -m 25M -t 1000 -- /bin/target -f @@ -``` - -### on the (afl-fuzz) master - -Just run afl-fuzz with your normal options, however the target should be -`afl-network-client` with the IP and PORT of the `afl-network-server` and -increase the -t value: -``` -afl-fuzz -i in -o out -t 2000+ -- afl-network-client TARGET-IP 1111 -``` -Note the '+' on the -t parameter value. The afl-network-server will take -care of proper timeouts hence afl-fuzz should not. The '+' increases the -timeout and the value itself should be 500-1000 higher than the one on -afl-network-server. - -### networking - -The TARGET can be an IPv4 or IPv6 address, or a host name that resolves to -either. Note that also the outgoing interface can be specified with a '%' for -`afl-network-client`, e.g. `fe80::1234%eth0`. - -Also make sure your default TCP window size is larger than your MAP_SIZE -(130kb is a good value). -On Linux that is the middle value of `/proc/sys/net/ipv4/tcp_rmem` - -## how to compile and install - -`make && sudo make install` - |