Roberto Ragusa wrote: > Bill Davidsen wrote: >> Roberto Ragusa wrote: >>> john wendel wrote: >>> >>>> Looks like I'll spend a little time poking at F13 scp and see if I can >>>> improve the transfer speed. >>> Maybe you are using compression? Compression is a disadvantage when >>> the network is fast (gigabit); you just spend CPU time. >>> >>> Then there is encryption. That can't be turned off. I would love >>> an option --no-crypto for scp or rsync+ssh on local networks, but >>> there is none: you are forced to turn to rcp or rsh or nc tricks. >>> >> There actually is a patch to provide encryption "none" to improve speed and >> reduce CPU for trusted connections. >> >> HINT: sure would be a nice addition to Fedora FC14!! >> >> It's really desirable for doing scp or ssh to/from a VM from the host. Why spend >> CPU encrypting a connection which is as trusted as possible? Note that for just >> file transfer netcat can be useful if you have the firewall set to allow it. > > I didn't know about this patch. There is also a bug on Ubuntu (54180), but it > looks like nothing has moved. > > So let's hope we will have it someday. > > BTW, about compression, we just have gzip. Where is LZMA? It would be useful > on slow links (e.g., all ADSL uplinks) :-) > > Maybe extra ciphers and compressions could be handled as plugins. > Well good idea, but the patch I mentioned is out for inclusion now, and so represents a minimal effort. I agree that plug-ins would be nice, but they must not replace existing code or compression, for security reasons. If a plugin could be compromised... better to compile stuff in, what's there is adequate, the "none" crypto is a special case. -- Bill Davidsen <davidsen@xxxxxxx> "We have more to fear from the bungling of the incompetent than from the machinations of the wicked." - from Slashdot -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
