layer7-protocol=bittorrent

That part right there.

Josh Luthman
Office: 937-552-2340
Direct: 937-552-2343
1100 Wayne St
Suite 1337
Troy, OH 45373


On Thu, Jan 20, 2011 at 3:20 PM, Robert Haas <[email protected]>wrote:

> Is there any reason the following rules would cause 100% CPU usage?
>
> ---
>
> /ip firewall mangle
> add action=mark-connection chain=prerouting comment="Peer to Peer -
> Connection" disabled=no new-connection-mark=P2P_CON p2p=all-p2p
> passthrough=yes protocol=tcp
> add action=mark-connection chain=prerouting comment="BITTORRENT - LAYER 7 -
> Connection" disabled=no layer7-protocol=bittorrent
> new-connection-mark=P2P_CON \
>    passthrough=yes
> add action=add-src-to-address-list address-list=P2P_USERS
> address-list-timeout=5m chain=prerouting comment="Peer to Peer - Add SRC to
> Address List" \
>    connection-mark=P2P_CON disabled=yes src-address=66.211.40.0/21
>
> /ip firewall filter
> add action=log chain=forward comment="Limit Peer to Peer Users"
> connection-limit=40,32 connection-state=new disabled=yes
> log-prefix=PEER_TO_PEER_CON_LIMIT \
>    protocol=tcp src-address-list=P2P_USERS
> add action=drop chain=forward comment="Limit Peer to Peer Users"
> connection-limit=40,32 connection-state=new disabled=yes protocol=tcp
> src-address-list=\
>    P2P_USERS
>
> ---
>
> If I enable these rules the router goes to 100% CPU usage and begins puking
> traffic. I've tried on two separate machines one running 5.0rc7 and another
> running 4.16, both puked after a few minutes of heavy traffic.
>
>
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