[Serusers] Problem with NatHelper Module

[Klaus Darilion]

maybe you are mixing old with new versions.

klaus

Steven Kokinos wrote:

> Hello-
> 
> I'm in the process of implementing my first SER server, and am running 
> into some issues with the nathelper module. I'm using 0.8.12, compiled 
> locally. I set the debug level to 7, and am seeing the following errors, 
> any help is greatly appreciated:
> 
> Mar 29 16:06:49 east ser: set_mod_param_regex: parameter 
> <ping_nated_only> not found in module <nathelper>
> Mar 29 16:06:49 east ser: parse error (88,43-44): Can't set module 
> parameter
> Mar 29 16:06:49 east ser: parse error (113,22-23): unknown command, 
> missing loadmodule?
> Mar 29 16:06:49 east ser: parse error (225,32-33): unknown command, 
> missing loadmodule?
> 
> Relevant config file entries:
> 
> # ------------------ module loading ----------------------------------
> 
> # Uncomment this if you want to use SQL database
> loadmodule "/lib/ser/modules/mysql.so"
> 
> loadmodule "/lib/ser/modules/sl.so"
> loadmodule "/lib/ser/modules/tm.so"
> loadmodule "/lib/ser/modules/rr.so"
> loadmodule "/lib/ser/modules/maxfwd.so"
> loadmodule "/lib/ser/modules/usrloc.so"
> loadmodule "/lib/ser/modules/registrar.so"
> loadmodule "/lib/ser/modules/textops.so"
> 
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> loadmodule "/lib/ser/modules/auth.so"
> loadmodule "/lib/ser/modules/auth_db.so"
> 
> # !! Nathelper
> loadmodule "/lib/ser/modules/nathelper.so"
> 
> # ----------------- setting module-specific parameters ---------------
> 
> 
> Followed by lines 85-88:
> 
> # !! Nathelper
> modparam("registrar", "nat_flag", 6)
> modparam("nathelper", "natping_interval", 30) # Ping interval 30 s
> modparam("nathelper", "ping_nated_only", 1)   # Ping only clients behind 
> NAT
> 
> 
> Section around line 113 (113 is the nat_uac_test):
> 
>      # !! Nathelper
>         # Special handling for NATed clients; first, NAT test is
>         # executed: it looks for via!=received and RFC1918 addresses
>         # in Contact (may fail if line-folding is used); also,
>         # the received test should, if completed, should check all
>         # vias for rpesence of received
>         if (nat_uac_test("3")) {
>                 # Allow RR-ed requests, as these may indicate that
>                 # a NAT-enabled proxy takes care of it; unless it is
>                 # a REGISTER
> 
>                 if (method == "REGISTER" || ! search("^Record-Route:")) {
>                     log("LOG: Someone trying to register from private 
> IP, rewriting\n");
> 
> 
> Section around line 225 (failing on nat_ua_test again):
> 
> # !! Nathelper
> onreply_route[1] {
>     # NATed transaction ?
>     if (isflagset(6) && status =~ "(183)|2[0-9][0-9]") {
>         fix_nated_contact();
>         force_rtp_proxy();
>     # otherwise, is it a transaction behind a NAT and we did not
>     # know at time of request processing ? (RFC1918 contacts)
>     } else if (nat_uac_test("1")) {
>         fix_nated_contact();
>     };
> }
> 
> 
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