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sajjadintel/block_bittorrent.sh

Forked from rampageX/block_bittorrent.sh
Created November 26, 2024 17:01
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  1. @rampageX rampageX created this gist Nov 5, 2019.
    24 changes: 24 additions & 0 deletions block_bittorrent.sh
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    # Block Torrent algo string using Boyer-Moore (bm)
    iptables -A FORWARD -m string --algo bm --string "BitTorrent" -j DROP
    iptables -A FORWARD -m string --algo bm --string "BitTorrent protocol" -j DROP
    iptables -A FORWARD -m string --algo bm --string "peer_id=" -j DROP
    iptables -A FORWARD -m string --algo bm --string ".torrent" -j DROP
    iptables -A FORWARD -m string --algo bm --string "announce.php?passkey=" -j DROP
    iptables -A FORWARD -m string --algo bm --string "torrent" -j DROP
    iptables -A FORWARD -m string --algo bm --string "announce" -j DROP
    iptables -A FORWARD -m string --algo bm --string "info_hash" -j DROP
    iptables -A FORWARD -m string --algo bm --string "/default.ida?" -j DROP
    iptables -A FORWARD -m string --algo bm --string ".exe?/c+dir" -j DROP
    iptables -A FORWARD -m string --algo bm --string ".exe?/c_tftp" -j DROP
    # Block Torrent keys
    iptables -A FORWARD -m string --algo kmp --string "peer_id" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "BitTorrent" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "BitTorrent protocol" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "bittorrent-announce" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "announce.php?passkey=" -j DROP
    # Block Distributed Hash Table (DHT) keywords
    iptables -A FORWARD -m string --algo kmp --string "find_node" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "info_hash" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "get_peers" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "announce" -j DROP
    iptables -A FORWARD -m string --algo kmp --string "announce_peers" -j DROP