How to open ports for eMule and BitTorrent on a Cisco ASA 5505

If you want to use BitTorrent or eMule on pc protected by a Cisco ASA 5505, you have to open some ports on your Cisco firewall in order to download at full speed.

To do this, try these rules in your firewall configuration:

access-list outside_access_in extended permit tcp any interface outside eq XXXX
static (inside,outside) tcp interface XXXX 192.168.1.4 XXXX netmask 255.255.255.255

Replace XXXX with the port number you need to open (e.g. 4662 TCP and 4672 UDP for eMule)

Replace 192.168.1.4 with your pc private lan IP.

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5 comments so far

  1. sas on

    good

  2. andreas on

    hmmm… this doesn’t seem to work for me.
    I get this in my SSH:

    DALUX-FALUN-FW-01# access-list outside_access_in extended permit tcp any inter$

    access-list outside_access_in extended permit tcp any interface outside eq 4669
    ^
    ERROR: % Invalid input detected at ‘^’ marker.
    DALUX-FALUN-FW-01#

    the ^ is under the second “c” in “access-list”…

  3. wilsonics on

    Thanks dude, this really worked! I’ve been looking for a fix like this for days and days now!

  4. d on

    andreas, you need to be in config mode.

  5. Orion on

    make sure you also have an access-group configured on the outside interface. this can be done with:

    sh run | grep access-group

    if this isnt configured use this command:

    access-group outside_access_in in interface outside


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