[Bug 379316] [NEW] Ettercap can't initialize iptables table `nat': Permission denied (you must be root)

[Alex]

Public bug reported:

Binary package hint: ettercap

When I uncomment this chain :

# if you use iptables:
   #redir_command_on = "iptables -t nat -A PREROUTING -i %iface -p tcp --dport %port -j REDIRECT --to-port %rport"
   #redir_command_off = "iptables -t nat -D PREROUTING -i %iface -p tcp --dport %port -j REDIRECT --to-port %rport"

Ettercap doesn't seem to work well.
I get this message

iptables v1.3.8: can't initialize iptables table `nat': Permission denied (you must be root)
Perhaps iptables or your kernel needs to be upgraded.

I found a solution that works by changing ec_uid to equal 0 :

[privs]
ec_uid = 65534                # nobody is the default
ec_gid = 65534                # nobody is the default

Like this :

[privs]
ec_uid = 0                # nobody is the default
ec_gid = 65534                # nobody is the default

I use Ubuntu 9.04 and the ettercap package comes from the official
repository.

Thx

** Affects: ettercap (Ubuntu)
     Importance: Undecided
         Status: New

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Ettercap can't initialize iptables table `nat': Permission denied (you must be root)
https://bugs.launchpad.net/bugs/379316
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