#arpnetworks 2015-09-09,Wed

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WhoWhatWhen
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mnathani_Is there a reliable way to detect asymmetric routing without having access to the other side, to perfrom a reverse mtr/trace [15:57]
mercutiottl
although it won't give you much more information people tend to have normalish ttl settings
so if ttl is 60 when it reaches you, they probably have initial ttl of 64
asymmetric routing is pretty normal these days though
[15:58]
mnathani_mercutio: https://gist.github.com/mnathani/b9ef2774c83f1b040339 [16:14]
BryceBotGist: "Determine asymmetric routing" [16:14]
mnathani_would that be symmetrical, or hard to tell? [16:14]
mercutioyeah that's asymmetric
but that's normal
it's got a shorter path in than out
but there can be lots of various reasons to do asymmetric
like the bras that you connect to may have limited ram, and not be able to take a full route table, but still able to advertise it's route tables out
so it may for most routes just take a default route to reach the internet, but it may still be advertising it's connected users more directly
so that can mean 1 extra hop going out sometimes, compared to in
asymmetric before you get out to the real internet isn't as bad generally
and asymmetric is only really bad when you have reliability issues
as you increase your chances of hitting issues
but pretty much asymmetric for the wider internet is the norm now. and the biggest issue is when things partially fail rather than fail
such as the peering disputes, giving huge packet loss etc.
[16:15]
mnathani_up_the_irons: does ARPNetworks implemenet BCP38?
s/implemenet/implement
[16:21]
BryceBot<mnathani_> up_the_irons: does ARPNetworks implement BCP38? [16:21]
mercutiothey do
it's pretty easy to test fwiw
[16:21]
mnathani_I suppose you need your ip range to be added to a filter when you bring your own IPs with a BGP session? [16:22]
mercutioyeah [16:22]
mnathani_sending udp traffic outbound? [16:22]
mercutiojust use the ping command
it can set arbitary source addresses
then you can dump listening for that source address
although i usually test with rfc1913 addresses
[16:22]
mnathani_@google rfc1913 [16:23]
BryceBotSearching for 'rfc 1913' instead.
22,500 total results returned for 'rfc 1913', here's 3
RFC 1913 - Architecture of the Whois++ Index Service (https://tools.ietf.org/html/rfc1913) RFC 1913 Architecture of the Whois++ Index Service February 1996 necessarily the best) way of building the directory service is to build a hierarchy of directory ...
List of pilots awarded an Aviator's Certificate by the Royal Aero Club ... (https://en.wikipedia.org/wiki/List_of_pilots_awarded_an_Aviator's_Certificate_by_the_Royal_Aero_Club_in_1913) Royal Aero Club certificates awarded in 1913 (nos. 383—719) ..... 30 May 1913, First RFC pilot to land in France in the First World War. 502, Naval Shipwright ...
Architecture of the Whois++ Index Service (https://www.rfc-editor.org/info/rfc1913) Canonical URL: http://www.rfc-editor.org/rfc/rfc1913.txt. This document is also available in this non-normative format: PDF. Status: HISTORIC (changed from ...
[16:23]
mnathani_@google rfc1918 [16:23]
mercutiooops [16:23]
BryceBot35,200 total results returned for 'rfc1918', here's 3
Private network - Wikipedia, the free encyclopedia (https://en.wikipedia.org/wiki/Private_network) In the Internet addressing architecture, a private network is a network that uses private IP address space, following the standards set by RFC 1918 for Internet ...

PF: Tables (http://www.openbsd.org/faq/pf/tables.html) table <rfc1918> const { 192.168.0.0/16, 172.16.0.0/12, 10.0.0.0/8 } table < spammers> persist block in on fxp0 from { <rfc1918>, <spammers> } to any pass in on ...
RFC 1918 - Address Allocation for Private Internets (https://tools.ietf.org/html/rfc1918) RFC 1918 Address Allocation for Private Internets February 1996 capabilities of Internet Service Providers. Efforts are in progress within the community to find ...
[16:23]
mercutiosorry :/
but yeah the same applies, it's easy to test
the problem with bcp38 is that it's other people you want to implement it
it doesn't really improve your network that much
compared to making it obvious that you're attacking someone to other people
it's also dangerous for transit situations
and a lot of attacks don't even spoof ip anymore
they just use udp bouncing etc
with various amplification attacks
[16:23]
mnathani_on windows 10, is there a way to get applications show up as you start typing right after you hit start? Like windows 8? [16:35]
mercutiostart8 does that [16:35]
m0undsmine does that [16:35]
mercutioi haven't been using the windows 10 start menu
but with windows 8 you used to have to say what kind of thing you were looking for
like apps, data, etc.
bloody annoying
[16:35]
m0undsi just hit winkey + type steam
and steam is the top thing in the list
or planet and it shows me planetside 2
http://i.imgur.com/KErAqCA.png
for instance
[16:36]
mercutioyeah it seems to work normally for me but it's fullscreen? [16:37]
m0undsno [16:38]
mercutioso that changed at some point [16:38]
m0undsi just took a screenshot of only the start menu
with windows 10
[16:38]
mercutiothe fullscreen is probably from using start8 [16:38]
m0undswin8 it was fullscreen, win10 it isn't
it's just a pop up menu
[16:38]
mercutioon start 8 if you click ctrl on the windows start thing it does fullscreen [16:39]
m0undsmy use case hasn't changed at all
i still just hit winkey then type the first few letters and hit enter
[16:39]
mercutiowith 8.1 it was really annoying [16:39]
m0undsjust a matter of fullscreen or not, didn't bother me either way as i'm entering a task and the start menu was only there to launch the app [16:39]
mercutiom0unds: yeah i'm saying it works
https://weallsee.net/start.png
[16:39]
mnathani_when I enter in excel, the application is not the first result [16:42]
m0undsweird [16:42]
mnathani_it searches in other places not just apps like windows 8
files, internet etc
[16:42]
m0undsoh, there's a start fullscreen toggle btw - personalization > start > use Start full screen [16:44]
mnathani_https://www.dropbox.com/s/57n671ynwu4kpln/Screenshot%202015-09-09%2019.41.12.png?dl=0 [16:44]
BryceBotDropbox photo: "https://www.dropbox.com/s/57n671ynwu4kpln/Screenshot%202015-09-09%2019.41.12.png?dl=0" [16:44]
m0undswhat's the name of the app in the start menu?
like if you were to go to all apps and navigate to it
[16:45]
mnathani_excel 2013 [16:45]
mercutioi have excel 2016 as top match [16:45]
mnathani_which is what I typed [16:45]
m0undsis that the only app that doesn't show up? [16:45]
mercutiowhen i type excel [16:45]
mnathani_photoshop doesnt show up either [16:46]
mercutiowow, this seems to be a windows app or whatever
the fullscreen weird thing
[16:46]
mnathani_app is called adobe photoshop cc 2015 [16:46]
m0undsi wonder if maybe you need to rebuild your index or something
is it on a separate drive?
from windows
[16:47]
mnathani_http://superuser.com/questions/950009/windows-10-cortana-search-is-not-finding-apps
seems like others having issues too
same drive
[16:47]
mercutiomnathani_: just isntall start8?
it's like $5
[16:47]
mnathani_default locations for apps [16:48]
m0undshttp://answers.microsoft.com/en-us/windows/forum/windows_10-win_cortana/cortana-not-finding-desktop-apps-when-searching/f612e995-6664-4b91-b6ae-96790e763858?auth=1 [16:48]
mercutioand doesn't have those weird big boxes etc
there's a start10 now too
although i'm still using start8
[16:48]
m0undsmnathani_: do you have uac off? [16:50]
mnathani_yes
uac is off
should I try turning it back on?
[16:53]
m0undssomeone said that setting it to the 1st notch from teh bottom (don't notify w/settings) fixed it
but it could be unrelated
[16:54]
mnathani_dont know if it needs a reboot or relogin [16:54]
m0undsthat answers.msft thing up there had a powershell command for reinstalling cortana that seemed to fix it for some people too
yea, it does
reboot
[16:54]
mnathani_but simply changing it to that setting did not work
ok
brb - reboot
[16:55]
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mnathani_reboot didit
apps are showing up as expected now
not sure if it was the powershell command, enabling uac, or simply windows update
thanks m0unds
[17:05]
mercutioheh
that's what windows problems are like
it's fixed... but why!
[17:09]
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m0undscool, glad something worked
whatever it was
[20:23]

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