If the OSA is running in QDIO mode the packet does not leave the card if the systems conversing are on the same machine and both use the same OSA.
"Ward, Garry" wrote: > I'm not sure that the OSA does any internal passing of data, I believe > it ships it out to the network and because the routers in the LAN know > the IP address of both, they just send it back. You could still be at > risk if the data ever leaves your LAN into the general world. > > If both your OS/390 and your Linux system were guests under VM, then you > could avoid actually leaving the box to pass data. > > -----Original Message----- > From: McKown, John [mailto:[EMAIL PROTECTED] > Sent: Wednesday, July 09, 2003 1:22 PM > To: [EMAIL PROTECTED] > Subject: Really dumb question. > > Given that my OS/390 system and my Linux system are on the same box and > using an OSA for all TCP/IP connectivity, is there any reason to do any > sort > of encryption between them for things like ftp or even things that may > transport userids and passwords? > > -- > John McKown > Senior Systems Programmer > UICI Insurance Center > Applications & Solutions Team > +1.817.255.3225 > > This message (including any attachments) contains confidential > information > intended for a specific individual and purpose, and its' content is > protected by law. If you are not the intended recipient, you should > delete > this message and are hereby notified that any disclosure, copying, or > distribution of this transmission, or taking any action based on it, is > strictly prohibited. > > Confidentiality Warning: This e-mail contains information intended only for the use > of the individual or entity named above. If the reader of this e-mail is not the > intended recipient or the employee or agent responsible for delivering it to the > intended recipient, any dissemination, publication or copying of this e-mail is > strictly prohibited. The sender does not accept any responsibility for any loss, > disruption or damage to your data or computer system that may occur while using data > contained in, or transmitted with, this e-mail. If you have received this e-mail > in error, please immediately notify us by return e-mail. Thank you.
