public to private test
Dean
dean777@bellsouth.net
Sun, 13 Jan 2002 23:44:37 -0500
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I have been trying to get this public to private script to work. Can
anyone see any problems with it.
Thanks Dean
#---start script----
##flush any existing rules
/sbin/iptables -F
##allow this box to act as a gateway by forwarding packets accross
interfaces.
/sbin/iptables -A FORWARD -i eth0 -j ACCEPT
/sbin/iptables -A POSTROUTING -t nat -s 10.100.15.5 -o eth1 -j SNAT -to
66.35.144.111
echo 1 > /proc/sys/net/ipv4/ip_forward
# # ##forward inbound ftp req eth0:22 15.5 server
/sbin/iptables -A PREROUTING -t nat -p tcp -i eth0 -d 66.35.144.111
--dport 21 -j DNAT --to 10.100.15.5
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<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>I
have been trying to get this public to private script to work. Can =
anyone see
any problems with it. <o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier =
New"'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>Thanks
Dean <o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
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New"'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>#---start
script----<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>##flush
any existing rules<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>/sbin/iptables
-F<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
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New"'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>##allow
this box to act as a gateway by forwarding packets accross interfaces. =
<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'mso-layout-grid-align:none;text-autospace:none'><font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New"'>/sbin/iptables
-A FORWARD -i eth0 -j ACCEPT <o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'margin-right:-1.25in;mso-layout-grid-align:none;
text-autospace:none'><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt;font-family:"Courier New"'>/sbin/iptables -A POSTROUTING -t nat =
-s
10.100.15.5 -o eth1 -j SNAT –to 66.35.144.111 =
<o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'margin-right:-1.25in;mso-layout-grid-align:none;
text-autospace:none'><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt;font-family:"Courier New"'>echo 1 > =
/proc/sys/net/ipv4/ip_forward <o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'margin-right:-1.25in;mso-layout-grid-align:none;
text-autospace:none'><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt;font-family:"Courier New"'># # ##forward inbound ftp req eth0:22 =
15.5
server <o:p></o:p></span></font></p>
<p class=3DMsoNormal =
style=3D'margin-right:-1.25in;mso-layout-grid-align:none;
text-autospace:none'><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt;font-family:"Courier New"'>/sbin/iptables -A PREROUTING -t nat -p =
tcp -i
eth0 -d 66.35.144.111 --dport 21 -j DNAT --to =
10.100.15.5<o:p></o:p></span></font></p>
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