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Special Forums Cybersecurity Virtualbox guest as a firewall for lUbuntu host Post 302963049 by TrickySecurity on Wednesday 23rd of December 2015 12:26:03 AM
Old 12-23-2015
Question Virtualbox guest as a firewall for lUbuntu host

Using virtualbox, I am trying to use Alpine linux (guest) as a firewall for my lubuntu (host). My physical network card (NIC) is eth0.

ISP WAN -> Alpine linux (guest) -> lubuntu (host) LAN

I am trying to get the ip from my ISP DHCP server but I had no success. I know that in virtualbox I have to use bridged adapter in eth0.
But in AlpineLinux (guest) do I have to create a vlan? Thats where I get confused.

ISP WAN -> DHCP -> Alpine linux (guest)

I was able to do this with two PCs like this:

ISP WAN --> Alpine linux firewall (PC1) --> Lubuntu LAN (PC2)

But now I am trying to do it with just one PC using virtualbox like this:

ISP WAN --> Alpine linux firewall (PC1) (Guest) --> Lubuntu LAN (PC1) (Host)
 

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rpdump(1)						      General Commands Manual							 rpdump(1)

NAME
rpdump - alpine remote data utility SYNTAX
rpdump [ -f ] -l Local_file -r Remote_folder DESCRIPTION
Rpdump may be used to copy the actual data from remote Alpine configuration files or address books into a local file. It is intended to be used by system administrators. Regular users should normally use the facilities provided within Alpine. Local_file will normally be a local temporary file. Remote_folder is the IMAP folder being used as a remote Alpine configuration (with the help of Alpine's -P, -p, and -x commands or PINECONF, PINERC, and PINERCEX environment variables) or remote Alpine address book folder. A copy of the data from Remote_folder will be copied to Local_file. -f Force the dump even if the remote folder is in an unrecognized format. -l Local_file The file on this system that is to be copied to. -r Remote_folder A remote folder name to be copied from. See the Alpine documentation for the syntax of a remote folder name. One example is {my.imap.server}remote_pinerc. DIAGNOSTICS
Exit status is zero if all goes well, -1 otherwise. SEE ALSO
Rpload(1). Copyright 1989-2007 by the University of Washington. $Date: 2005/01/14 20:40:14 $ rpdump(1)

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