#arpnetworks 2015-04-25,Sat

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WhoWhatWhen
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staticsafemercutio: you around? [11:34]
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[12:42]
mercutiostaticsafe: i am now [12:56]
staticsafemercutio: you think up_the_irons will announce IPs for a VPS without my own AS? [13:06]
mercutiostaticsafe: nope
staticsafe: do you have a /24 ?
[13:12]
staticsafeyes [13:13]
mercutioand is your provider just advertised it with their own ASN atm? [13:13]
staticsafeindeed [13:14]
mercutioit's aRIN? [13:14]
staticsafeyes [13:14]
mercutiolooks to be $550 for an ASN and $100/year
on arin's fee schedule page.
the general issue with multiple providers doing that is it's harder to tell if people are spoofing or such.
[13:14]
staticsafeim looking to move from my current provider, i'll be asking them to drop the announcement as soon as I'm done moving some stuff [13:15]
mercutioyou could always ask
new asn's juumped to 32 bits too.
[13:16]
staticsafestaticsafe nods [13:18]
mercutiothere's no real ip to asn mapping
but if too asn's advertise the same ip address it can look like one provider is spoofing the other provider
actually i wouldn't worry too much, it used to be common.
but it's not considered good practice
[13:19]
wow the average programmer is 42.8 years
err average age for
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mnathani_how can you have your own IP space but no AS Number? [13:53]
staticsafesomeone else is announcing the IP space [13:56]
mercutioarin fees are so much smaller than apnic fees.
mnathani_: that's actually pretty common for legacy space.
[14:00]
mnathani_can you multihome like that
with no AS
[14:01]
staticsafenope [14:01]
mercutiomnathani_: in theory yes. [14:01]
mnathani_would require coordination among providers? [14:01]
mercutionope [14:01]
mnathani_inbound multihoming or outbound ? [14:02]
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mercutioyou can do both [14:03]
mnathani_does it require anything special from the providers [14:03]
mercutionot really, this is how things like google getting spoofed happens
there's quite a few instances of route hijacking that happen
there's various levels of filtering...
but overall it's a sorry state of affairs.
that said; it's easy to hijack. but it's also reasonably easy to notice hijacking
but there's a reasonably real concern that if it got possible to make false certs easily for instance, it'd be easy to spoof paypal
if you can do damage in a short period of time, ..
http://www.slate.com/articles/technology/future_tense/2014/08/bgp_hijacking_cybercriminals_used_internet_architecture_to_mine_bitcoins.html
something like that
it's one of those issues that people have known about for years..
just like the other issue where you can spoof anyone's ip
the spoofing people's ip addresses makes ddos's harder to track.
and it seems to be less of an issue than it used to be.
but i don't know if it is that providers have done more to stop it, or if there are just more easily hackable sites to ddos from.
[14:04]
RandalSchwartzthere must be well known solutions to system being down when a cron job is schedule to run it anyway lataer. [14:12]
mercutioarp stops you ddos'ing from random ips. [14:13]
RandalSchwartzI seem to recall something like "anacron" or something [14:13]
mercutioRandalSchwartz: chronie
and anacron
that stuff all got fixed years back
when linux on desktop became common :)
https://wiki.archlinux.org/index.php/Cron
seems to be lots of information on there.
[14:13]
RandalSchwartzthanks [14:14]
mercutiohttp://www.bgpmon.net/bgp-optimizer-causes-thousands-of-fake-routes/
hmm
so enzu(budgetvm) leaked routes on any2ix recently.
[14:19]
mnathani_anyone else tracking the stock price of Amazon and Microsoft over the last few days? [14:23]
mercutionope, si it going downor up? [14:23]
mnathani_both going u p
MSoft %10
Amazon closer to %15
[14:25]
mercutiowow
i wonder why
wow
amazon web services made shit loads of money
[14:25]
mnathani_its a solid product offering [14:27]
mercutioit never impressed me :/
at the low end it pretty much sucks to my mind
but they are pretty well known with some big customers.
i really don't understand why people like netflix use aws
[14:28]
mnathani_Api to control the vms, regions for redundancy [14:30]
mercutioi suuppose it has that going for it
but they have all of their servers everywhere
youu'd think they could just go in house
[14:30]
netflix's web site is pretty bad actually [14:38]
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mercutiohttp://aws.amazon.com/solutions/case-studies/netflix/
hmm they have a case study
10s of thousands of instances
sounds really expensive :/
[14:40]
mnathani_thousands of instances and hundreds of open connect appliances at the expense of service providers everywhere [14:48]
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m0undsthey didn't design it to be used like a cloud server
"cloud" server in quotes (e.g. a VPS w/dedicated storage)
i think that's the biggest thing lots of folks don't get (not saying you don't, but it's a common misconception about aws and azure both)
[15:03]
brycecm0unds++ [15:14]
RandalSchwartzOoooh.... fcron.
like regular crons on steroids
[15:15]
brycecI remember fcron (et al) from my Gentoo days... [15:15]
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mercutiodid anyone ever use the at command?
it seems underused
i uused to just use sleep &&
[16:01]
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grodyuse atq on fbsd
especially when doing updates to firewall or something critical to a server coponent incase i slam myself out remotely.. have a backup command ready to fire off after x time if i didnt jump in and stop it
s/atq/at/ - although atq is a command related too
just seemed cleaner using it in scripts instead of sleep and &(&&)
[17:35]
mercutioyeah
it's been around forever, i just don't see it uused much
[17:40]
grodyi still suspend, bg, fg, jobs a lot too [17:42]
mercutioyeah i do a bit [17:42]
grodyah crap, i broke my bloody aosp repo again - my isp must ♥ me, be downloading like the end of the world is nigh
13GB a pop to download it again
maybe should get a good copy, tarball it, then if i break again just use the good repo
running out of space though... and places to put drives
[17:43]
mercutiocan'y you just back it up
oh right yeh do that :/
or just zfs snapshot it
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brycecmercutio++ I was going to suggest the same thing (until I got caught up this far)
I typically transfer between 500GB and 1TB a month, my ISP can suck it.
[20:38]

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