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How to allow nonroot user to bind to port 80

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Operating Systems Solaris How to allow nonroot user to bind to port 80
# 8  
Old 07-01-2005
There may be an an option for you, but I hesitate to mention it. I found it because I am writing a script to manipulate the Solaris network drivers. I can't find any real documentation on it either. But the tcp driver has some tunable parameters that are accessible via ndd. The params you would need to look at can be found with:
# ndd -get /dev/tcp \? | grep priv
tcp_smallest_nonpriv_port (read and write)
tcp_extra_priv_ports (read only)
tcp_extra_priv_ports_add (write only)
tcp_extra_priv_ports_del (write only)

So you might be able to crank tcp_smallest_nonpriv_port down to 80. This also exposes 81 though 1024. You might be able to put some or all of these back with the other params. If you do try it, let us know how it goes.
# 9  
Old 07-02-2005
It would probably be easier to relay 80 to an unpriveleged port, using, for example, ipfilters.
# 10  
Old 07-02-2005
Look into the Post-Bind UID option in weblogic.
# 11  
Old 07-13-2005
check out jsvc. I use it to run tomcat as a different user after it binds to port 80. http://jakarta.apache.org/commons/daemon/jsvc.html
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