February 22, 2008 in the wee hours
· Filed under VPS, information security, infosec, vmware, xen
Yesterday I worked on a Xen-based CentOS 5 VPS server. Out of curiosity how Xen stacks up against VMWare, I sniffed TCP traffic on the Xen virtual server, since I noticed VMWare guests can see the host’s traffic and vice versa. (More details can be found in my early post: Security Alert : bridged vmware guest can sniff host, guest peers, and vice versa)
I chose to sniff TCP/80 traffic this time, using tcpdump Read the rest of this entry »
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January 7, 2008 in the late evening
· Filed under information security, networking, vmware
On a CentOS 5/i386 server, I set up an Asterisk server recently in a VMWARE guest running CentOS 4.4/i386. The VMWare guest is set to use bridged networking and to obtain its TCP/IP settings from the same DHCP server used by the host server. I installed X-lite softphone from Counterpath on the host server, and configured it as a SIP extension to talk to another SIP extension on my wife’s Windows XP laptop.
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