Alan Altmark said:
"But imagine what you could do if an AF_INET/AF_INET6 provider could be
configured to simply acts as a shim layer, redirecting all AF_INET and
AF_INET6 socket calls to the VM TCPIP machine. Linux's own TCP/IP stack
would be effectively inop. That would enable almost any Linux network
app
to work on behalf of VM. The possibilities are tantalizing."
+++1 for that idea.
DJ
---
DAVID JONES | MANAGING DIRECTOR FOR ZSYSTEMS SERVICES | z/VM, Linux, and
Cloud
703.237.7370 (Office) | 281.578.7544 (CELL)
INFORMATION TECHNOLOGY COMPANY
On 08.18.2020 10:44 PM, Alan Altmark wrote:
On Tuesday, 08/18/2020 at 01:47 GMT, Ursula Braun
<[email protected]>
wrote:
Probably not: Either there is a good idea why to include
message_send2way into
the standard socket interface AF_IUCV, or there is a new kernel module
for
communication with the TCPIP service, built on top of net/iucv/iucv.c
similar
to other specific IUCV exploiters like drivers/s390/char/vmlogrdr.c,
drivers/s390/net/netiucv.c, drivers/s390/net/smsgiucv.c,
drivers/tty/hvc/...
But imagine what you could do if an AF_INET/AF_INET6 provider could be
configured to simply acts as a shim layer, redirecting all AF_INET and
AF_INET6 socket calls to the VM TCPIP machine. Linux's own TCP/IP
stack
would be effectively inop. That would enable almost any Linux network
app
to work on behalf of VM. The possibilities are tantalizing.
Alan Altmark
Senior Managing z/VM and Linux Consultant
IBM Systems Lab Services
IBM Z Delivery Practice
ibm.com/systems/services/labservices
office: 607.429.3323
mobile; 607.321.7556
[email protected]
IBM Endicott
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