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Georgios Dagkakis
slapos
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01fbb107
Commit
01fbb107
authored
Mar 11, 2013
by
Cédric de Saint Martin
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Update apache_frontend documentation.
Mention the setcap solution to allow listening to port 443 and 80.
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software/apache-frontend/README.apache_frontend.txt
software/apache-frontend/README.apache_frontend.txt
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software/apache-frontend/README.apache_frontend.txt
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01fbb107
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@@ -83,6 +83,7 @@ port
...
@@ -83,6 +83,7 @@ port
Port used by Apache. Optional parameter, defaults to 4443.
Port used by Apache. Optional parameter, defaults to 4443.
plain_http_port
plain_http_port
~~~~~~~~~~~~~~~
Port used by apache to serve plain http (only used to redirect to https).
Port used by apache to serve plain http (only used to redirect to https).
Optional parameter, defaults to 8080.
Optional parameter, defaults to 8080.
...
@@ -192,7 +193,12 @@ Notes
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@@ -192,7 +193,12 @@ Notes
=====
=====
It is not possible with slapos to listen to port <= 1024, because process are
It is not possible with slapos to listen to port <= 1024, because process are
not run as root. It is a good idea then to go on the node where the instance is
not run as root.
Solution 1
----------
It is a good idea then to go on the node where the instance is
and set some iptables rules like (if using default ports)::
and set some iptables rules like (if using default ports)::
iptables -t nat -A PREROUTING -p tcp -d {public_ipv4} --dport 443 -j DNAT --to-destination {listening_ipv4}:4443
iptables -t nat -A PREROUTING -p tcp -d {public_ipv4} --dport 443 -j DNAT --to-destination {listening_ipv4}:4443
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@@ -200,3 +206,12 @@ and set some iptables rules like (if using default ports)::
...
@@ -200,3 +206,12 @@ and set some iptables rules like (if using default ports)::
Where {public ip} is the public IP of your server, or at least the LAN IP to where your NAT will forward to.
Where {public ip} is the public IP of your server, or at least the LAN IP to where your NAT will forward to.
{listening ip} is the private ipv4 (like 10.0.34.123) that the instance is using and sending as connection parameter.
{listening ip} is the private ipv4 (like 10.0.34.123) that the instance is using and sending as connection parameter.
Solution 2
----------
It is also possible to directly allow the service to listen on 80 and 443 ports using the following command:
setcap 'cap_net_bind_service=+ep' /opt/slapgrid/$APACHE_FRONTEND_SOFTWARE_RELEASE_MD5/parts/apache-2.2/bin/httpd
Then specify in the instance parameters "port" and "plain_http_port" to be 443 and 80, respectively.
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