[admin@admin3 admin]$ urpmf --description dyndns
ez-ipupdate:ez-ipupdate is a small utility for updating your host name for any of the
dynamic DNS service offered at:
 
    * http://www.ez-ip.net
    * http://www.justlinux.com
    * http://www.dhs.org
    * http://www.dyndns.org
    * http://www.ods.org
    * http://gnudip.cheapnet.net (GNUDip)
    * http://www.dyn.ca (GNUDip)
    * http://www.tzo.com
    * http://www.easydns.com
    * http://www.dyns.cx
    * http://www.hn.org
    * http://www.zoneedit.com
 
it is pure C and works on Linux, *BSD and Solaris.
 
Don't forget to create your own config file ( in /etc/ez-ipupdate.conf )
You can find some example in /usr/share/doc/ez-ipupdate-3.0.11b8

######################################################################
##  
## Define default global variables with lines like:
##  var=value [, var=value]*
## These values will be used for each following host unless overridden
## with a local variable definition.
##
## Define local variables for one or more hosts with:
##  var=value [, var=value]* host.and.domain[,host2.and.domain...]
##
## Lines can be continued on the following line by ending the line
## with a \
##
######################################################################
daemon=300    # check every 300 seconds
syslog=yes    # log update msgs to syslog
mail=root    # mail all msgs to root
mail-failure=root   # mail failed update msgs to root
pid=/var/run/ddclient.pid  # record PID in file.
#
#use=watchguard-soho,        fw=192.168.111.1:80 # via Watchguard's SOHO FW
#use=netopia-r910,           fw=192.168.111.1:80 # via Netopia R910 FW
#use=smc-barricade,          fw=192.168.123.254:80 # via SMC's Barricade FW
#use=netgear-rt3xx,          fw=192.168.0.1:80  # via Netgear's internet FW
#use=linksys,                fw=192.168.1.1:80  # via Linksys's internet FW
#use=maxgate-ugate3x00,      fw=192.168.0.1:80  # via MaxGate's UGATE-3x00  FW
#use=elsa-lancom-dsl10,      fw=10.0.0.254:80  # via ELSA LanCom DSL/10 DSL Router
#use=elsa-lancom-dsl10-ch01, fw=10.0.0.254:80  # via ELSA LanCom DSL/10 DSL Router
#use=elsa-lancom-dsl10-ch02, fw=10.0.0.254:80  # via ELSA LanCom DSL/10 DSL Router
#use=alcatel-stp,            fw=10.0.0.138:80           # via Alcatel Speed Touch Pro
#use=xsense-aero,            fw=192.168.1.1:80          # via Xsense Aero Router
#use=allnet-1298,            fw=192.168.1.1:80          # via AllNet 1298 DSL Router
#use=3com-oc-remote812,      fw=192.168.0.254:80 # via 3com OfficeConnect Remote 812
#use=e-tech,                 fw=192.168.1.1:80          # via E-tech Router
#use=cayman-3220h,           fw=192.168.0.1:1080        # via Cayman 3220-H DSL Router
#
#fw-login=admin,             fw-password=XXXXXX  # FW login and password
#
## To obtain an IP address from FW status page (using fw-login, fw-password)
#use=fw, fw=192.168.1.254/status.htm, fw-skip='IP Address' # found after IP Address
#
## To obtain an IP address from Web status page (using the proxy if defined)
#use=web, web=checkip.dyndns.org/, web-skip='IP Address' # found after IP Address
#
#use=ip,                     ip=127.0.0.1 # via static IP's
#use=if,                     if=eth0  # via interfaces
#use=web     # via web
#
#protocol=dyndns2    # default protocol
#proxy=fasthttp.sympatico.ca:80   # default proxy
#server=members.dyndns.org   # default server
#server=members.dyndns.org:8245   # default server (bypassing proxies)
 
#login=your-login    # default login
#password=test     # default password
#mx=mx.for.your.host    # default MX
#backupmx=yes|no    # host is primary MX?
#wildcard=yes|no    # add wildcard CNAME?
 
##
## dyndns.org dynamic addresses
##
## (supports variables: wildcard,mx,backupmx)
##
# server=members.dyndns.org,  \
# protocol=dyndns2   \
# your-dynamic-host.dyndns.org
 
##
## dyndns.org static addresses
##
## (supports variables: wildcard,mx,backupmx)
##
# static=yes,    \
# server=members.dyndns.org,  \
# protocol=dyndns2   \
# your-static-host.dyndns.org
 
##
##
## dyndns.org custom addresses
##
## (supports variables: wildcard,mx,backupmx)
##
# custom=yes,    \
# server=members.dyndns.org,  \
# protocol=dyndns2   \
# your-domain.top-level,your-other-domain.top-level
 
##
## ZoneEdit (zoneedit.com)
##
# server=www.zoneedit.com,   \
# protocol=zoneedit1,   \
# login=your-zoneedit-login,    \
# password=your-zoneedit-password \
# your.any.domain,your-2nd.any.dom
 
##
## EasyDNS (easydns.com)
##
# server=members.easydns.com,   \
# protocol=easydns,   \
# login=your-easydns-login,    \
# password=your-easydns-password \
# your.any.domain,your-2nd.any.domain
 
##
## Hammernode (hn.org) dynamic addresses
##
# server=dup.hn.org,              \
# protocol=hammernode1,          \
# login=your-hn-login,            \
# password=your-hn-password       \
# your-hn-host.hn.org,your-2nd-hn-host.hn.org
 
##
## dslreports.com dynamic-host monitoring
##
# server=members.dslreports.com  \
# protocol=dslreports1,   \
# login=dslreports-login,  \
# password=dslreports-password  \
# dslreports-unique-id
 
##
## OrgDNS.org account-configuration
##
#use=web, web=members.orgdns.org/nic/ip
# server=www.orgdns.org   \
# protocol=dyndns2    \
# login=yourLoginName    \
# password=yourPasswort   \
# yourSubdomain.orgdns.org
 
##
## dnspark.com
## (supports variables: mx, mxpri)
##
# use=web, web=ipdetect.dnspark.com, web-skip='Current Address:'
# protocol=dnspark,   \
# server=www.dnspark.com,  \
# your-host.dnspark.com

use=if,                     if=eth0  # via interfaces
 
protocol=dyndns2    # default protocol  
#proxy=fasthttp.sympatico.ca:80   # default proxy  
server=members.dyndns.org   # default server  
#server=members.dyndns.org:8245   # default server (bypassing proxies)  
   
login=your-login    # default login  
password=test     # default password  
#mx=mx.for.your.host    # default MX  
#backupmx=yes|no    # host is primary MX?  
#wildcard=yes|no    # add wildcard CNAME?  
   
##  
## dyndns.org dynamic addresses  
##  
## (supports variables: wildcard,mx,backupmx)  
##  
server=members.dyndns.org,  \  
protocol=dyndns2   \  
nomordisurlenet.dyndns.org  

# Configuration file for ddclient generated by debconf
#
# /etc/ddclient.conf
 
pid=/var/run/ddclient.pid
protocol=dyndns2
use=if, if=ppp0
server=members.dyndns.org
login=XXXXX
password=XXXXXX
adressereservee.chezdyndns.org