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112016-10-01T00:49:59 <GitHub165> [bitcoin] dcousens closed pull request #7436: AcceptToMempool: extract various policy functions (master...expolicy) https://github.com/bitcoin/bitcoin/pull/7436
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152016-10-01T01:09:40 <GitHub16> [bitcoin] sdaftuar opened pull request #8854: [qa] Fix race condition in p2p-compactblocks test (master...fix-p2p-sync) https://github.com/bitcoin/bitcoin/pull/8854
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302016-10-01T02:03:20 <GitHub93> [bitcoin] jtimon opened pull request #8855: Use a proper factory for creating chainparams (master...0.13-chainparams-factory) https://github.com/bitcoin/bitcoin/pull/8855
312016-10-01T02:13:30 * jtimon ^^ hopes btcdrack notes that I didn't reopened #6382
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1092016-10-01T06:33:39 <GitHub196> [bitcoin] jtimon opened pull request #8856: Globals: Decouple GetConfigFile and ReadConfigFile from global mapArgs (master...0.13-globals-utils-configfile) https://github.com/bitcoin/bitcoin/pull/8856
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1402016-10-01T09:20:05 <GitHub189> [bitcoin] MarcoFalke pushed 2 new commits to master: https://github.com/bitcoin/bitcoin/compare/7b784cc2bbcd...6faffb8a83db
1412016-10-01T09:20:05 <GitHub189> bitcoin/master b5fd666 Suhas Daftuar: [qa] Fix race condition in p2p-compactblocks test...
1422016-10-01T09:20:06 <GitHub189> bitcoin/master 6faffb8 MarcoFalke: Merge #8854: [qa] Fix race condition in p2p-compactblocks test...
1432016-10-01T09:20:15 <GitHub39> [bitcoin] MarcoFalke closed pull request #8854: [qa] Fix race condition in p2p-compactblocks test (master...fix-p2p-sync) https://github.com/bitcoin/bitcoin/pull/8854
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1502016-10-01T09:39:04 <GitHub47> [bitcoin] MarcoFalke opened pull request #8857: [qa] mininode: Fix order of positional args in wait_until (master...Mf1610-qaMininodeWaitUntil) https://github.com/bitcoin/bitcoin/pull/8857
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1532016-10-01T09:59:41 <luke-jr> wtf, 15 minutes after starting my node back up, I have 63 connections, most bitcoinj
1542016-10-01T09:59:45 <luke-jr> is this an attack or random luck?
1552016-10-01T10:00:08 <luke-jr> most are 52.* IPs⦠:|
1562016-10-01T10:00:29 <luke-jr> AWS
1572016-10-01T10:01:33 <luke-jr> yet claims to be various GUI and Android clients
1582016-10-01T10:03:29 <gmaxwell> yea, that those asshole again.
1592016-10-01T10:03:32 <gmaxwell> they're spy nodes.
1602016-10-01T10:03:32 <gmaxwell> report it to the amazon abuse contact form. (it's pretty amazing, they ask for logs and such)
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1652016-10-01T10:11:07 <wumpus> same here, ~50 connections from 52.* IPs
1662016-10-01T10:12:54 <wumpus> all random /bitcoinj or /BitcoinJ variants
1672016-10-01T10:14:22 <gmaxwell> I banned them on my nodes a while ago.
1682016-10-01T10:14:31 <wumpus> and have sent no commands but pong, verack and version
1692016-10-01T10:14:39 <wumpus> good idea
1702016-10-01T10:14:47 <gmaxwell> doesn't really solve the problem...
1712016-10-01T10:15:20 <gmaxwell> I'd at least recommend lodging a complaint with amazon before doing so.
1722016-10-01T10:15:33 <wumpus> stopping listening on IPv4 would stop them for a while, EC2 still has no IPv6 support :)
1732016-10-01T10:15:41 <luke-jr> lol
1742016-10-01T10:17:41 <luke-jr> hmm. I started banning them, and after a few, the rest disconnected on their own :o
1752016-10-01T10:18:48 <wumpus> they're still connected to me, so it's not stopped
1762016-10-01T10:20:02 <wumpus> but yes I've also managed to get banned by a spy node once, after continuously probing them and sending them junk back over their connectinos
1772016-10-01T10:20:44 <luke-jr> lol
1782016-10-01T10:22:38 <luke-jr> hm, I cannot compile BFGMiner with my usual dev config now. too hardened for the CPU mining assembly. XD
1792016-10-01T10:23:22 <sipa> luke-jr: for extra security, also disable networking support on your system
1802016-10-01T10:23:32 <sipa> it great decreases attack surface
1812016-10-01T10:26:17 <sipa> around 10-15% of my bandwidth (for uploaded blocks) goes to height <=288
1822016-10-01T10:26:58 <sipa> twice that for up to 2016
1832016-10-01T10:28:45 <gmaxwell> sipa: do you still have the -1000 quirk?
1842016-10-01T10:29:30 <sipa> nope
1852016-10-01T10:29:47 <sipa> but it's only 1.5 days worth of data
1862016-10-01T10:30:52 <luke-jr> sipa: given unlimited time, I would probably isolate my networking to a VM, but just using Hardened Gentoo with my 64-bit switch is enough for now (I hope) âº
1872016-10-01T10:33:11 <btcdrak> luke-jr: did you go 64bit?
1882016-10-01T10:35:10 <luke-jr> btcdrak: yes, although I'm being tempted to go back to revert to KDE 4
1892016-10-01T10:36:33 <luke-jr> but for better or worse, I didn't really take enough notes to make it possible to revert back
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1922016-10-01T10:48:20 <luke-jr> uh, wow⦠rm a large directory on my SSD pretty much shuts down I/O for everything else :|
1932016-10-01T10:48:48 <luke-jr> even dmesg and top hung
1942016-10-01T10:49:43 <wumpus> so it goes when your system is swappy
1952016-10-01T10:51:58 <luke-jr> I'm not even swapping right now - killed most of the Chromium tabs
1962016-10-01T10:52:25 <wumpus> but yes it's curious how easy it is to monopolize I/O even on modern OSes, it's even worse on windows
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1982016-10-01T10:53:06 <wumpus> any user space process can just hog the entire disk
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2002016-10-01T10:54:03 <paveljanik> luke-jr, what IO scheduler do you use with your SSD device?
2012016-10-01T10:54:18 <wumpus> though I guess among the many proc and sys settings, there are ways to tweak this
2022016-10-01T10:54:44 <MarcoFalke> we need a bot to invite people to review :)
2032016-10-01T10:54:48 <luke-jr> paveljanik: how do I find out? ;)
2042016-10-01T10:55:04 <paveljanik> cat /sys/block/sda/queue/scheduler IIRC?
2052016-10-01T10:55:25 <luke-jr> cfq
2062016-10-01T10:55:39 <luke-jr> although I have a udev rule that's supposed to set SSDs to deadline, but it apparently doesn't work
2072016-10-01T10:56:01 <wumpus> s/to invite/to drag people by their hair into PRs and force them to review/
2082016-10-01T10:56:19 <luke-jr> hehe
2092016-10-01T10:56:57 <midnightmagic> If people have a list of those 52.* IP addresses I would appreciate that.
2102016-10-01T10:58:12 <wumpus> have to go now, but sure will make one later
2112016-10-01T10:58:51 <MarcoFalke> luke-jr: It seems odd to place our whole bip process into the hands of a single github user. No one verified who owned this account right now. They could just do anything if they are required to ACK every change to BIP1.
2122016-10-01T10:59:15 <MarcoFalke> I know BIP2 solves this, but we should use common sense to see that BIP1 mostly applies to other bips
2132016-10-01T10:59:18 <MarcoFalke> and not itself
2142016-10-01T10:59:44 <luke-jr> MarcoFalke: well, that'd be a concern with trusting ACKs on github in general
2152016-10-01T10:59:53 <btcdrak> MarcoFalke: +1
2162016-10-01T11:00:49 <MarcoFalke> Sure, but for BIP1 it seems particularly weird. (Given that the (Github)user is not active in any other bitcoin related project)
2172016-10-01T11:01:54 <MarcoFalke> I am looking forward to see the BIP2 changes merged, but there may be some people not approve all changes.
2182016-10-01T11:02:15 <MarcoFalke> Esp. the links in the header for further discussion
2192016-10-01T11:02:30 <luke-jr> MarcoFalke: I think all the disagreement is resolved now. Since the last posting, there have been no objections.
2202016-10-01T11:03:40 <MarcoFalke> You never know. :/
2212016-10-01T11:03:58 <MarcoFalke> We should not forcefully keep us in this awkward situation of BIP1
2222016-10-01T11:05:00 <btcdrak> luke-jr: I havent had time to review it yet.
2232016-10-01T11:05:23 <luke-jr> MarcoFalke: worst case, we can drop BIP Comments and move them to BIP 3 or something
2242016-10-01T11:05:45 <luke-jr> although that's one of the main improvements IMO
2252016-10-01T11:06:01 <luke-jr> so we can discourage people from adopting crappy BIPs
2262016-10-01T11:06:20 <btcdrak> from first glance I think there is a problem with specifically the GPL license part and the comments are fine if it's self contained, without linking to external resources.
2272016-10-01T11:06:22 <MarcoFalke> And then ping people: "Please read BIP2, BIP3, ... but don't read BIP1"...
2282016-10-01T11:06:29 <MarcoFalke> Why not amend?
2292016-10-01T11:07:11 <luke-jr> MarcoFalke: BIPs are amended by replacing them. That's how the process works right now. <.<
2302016-10-01T11:07:14 <btcdrak> replace LGPL with GPL is fine.
2312016-10-01T11:07:33 <luke-jr> btcdrak: so you'd insist libbitcoin code cannot be used in any BIPs?
2322016-10-01T11:07:42 <MarcoFalke> As I said, the BIP process does not make sense to be applied to BIP1 itself.
2332016-10-01T11:07:46 <btcdrak> in any case, I didnt get a chance to read the full BIP and digest it's contents. I think there was something about the workflows too which could be improved.
2342016-10-01T11:08:05 <btcdrak> MarcoFalke: +1
2352016-10-01T11:08:54 <luke-jr> btcdrak: the only licenses BIP 2 *recommends* are BSD, CC0, and GNU-All-Permissive
2362016-10-01T11:10:32 <gmaxwell> that huge list is bleh.
2372016-10-01T11:11:57 <gmaxwell> MarcoFalke: I made the same argument but luke pointed out that we can put a notice at the top of BIP 1 that says read BIP N instead, and that seemed acceptable enough to me.
2382016-10-01T11:12:04 <luke-jr> fine, or delay BIP 2 yet longer by making up new problems that aren't really problems and could have been brought up months ago if it was really a concern.
2392016-10-01T11:12:44 <gmaxwell> luke-jr: I had no idea about BIP2 until I wigged out about you assigning a BIP number to a restrictively licensed specification. :)
2402016-10-01T11:13:05 <luke-jr> are you subscribed to bitcoin-dev? :|
2412016-10-01T11:13:16 <gmaxwell> Yes. But threads get missed.
2422016-10-01T11:14:42 * luke-jr doesn't know how to solve this.
2432016-10-01T11:15:02 <gmaxwell> just don't expect anything to go quickly.
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2462016-10-01T11:15:41 <gmaxwell> FWIW, IETF requires any source code as part of RFCs be under a fixed three clause BSD license.
2472016-10-01T11:15:53 <luke-jr> interesting
2482016-10-01T11:16:13 <gmaxwell> (you can also offer under additional licenses, at your choice.. of course)
2492016-10-01T11:16:15 <luke-jr> does IETF aim to document standards set by others, or prescribe them?
2502016-10-01T11:16:47 <gmaxwell> It does both.
2512016-10-01T11:17:08 <gmaxwell> Informational RFCs are usually things standarized outside of the IETF that just get documented in IETF form.
2522016-10-01T11:17:20 <luke-jr> BIPs can't do both. maybe not relevant, dunno
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2922016-10-01T15:01:29 <GitHub161> [bitcoin] laanwj opened pull request #8858: rpc: Generate auth cookie in hex instead of base64 (master...2016_10_01_moar_cookies) https://github.com/bitcoin/bitcoin/pull/8858
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3002016-10-01T15:28:16 <wumpus> midnightmagic: here's the list of 52.X nodes https://dev.visucore.com/bitcoin/tmp/list.json
3012016-10-01T15:29:01 <Lauda> wumpus, this happened 4 months back and I imagine it's the same "entity" https://bitcointalk.org/index.php?topic=1478418.0
3022016-10-01T15:29:09 <Lauda> It started showing on my node today as well.
3032016-10-01T15:30:01 <wumpus> midnightmagic: gah, some even have 2-3 connections per IP
3042016-10-01T15:31:11 <wumpus> Lauda: I don't think I've ever seen one waste this many connection slots
3052016-10-01T15:32:54 <Lauda> Indeed. Any idea on what *they* are trying to do?
3062016-10-01T15:32:58 <wumpus> would make sense to report it to Amazon, but too lazy to collect logs and evidence now
3072016-10-01T15:34:07 <wumpus> I don't know. For a DoS it seems kind of tame, they don't actually exhaust connection slots
3082016-10-01T15:34:50 <wumpus> it must be for spying, but I'd say one connection per node would be enough for that
3092016-10-01T15:37:03 <wumpus> also then you'd expect them to be sneaky to *avoid* being detected and banned all over the place. So no, I don't know.
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3112016-10-01T15:37:31 <wumpus> for griefing it's a bit expensive
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3132016-10-01T15:37:57 <Lauda> I wonder what could be 'done' to prevent this kind of stuff from happening.
3142016-10-01T15:38:57 <Lauda> They're different IPs from last time as I have a compiled list.
3152016-10-01T15:40:15 <wumpus> one way to find spying nodes with 99% certainty is to kick them, if they reconnect, it's generally a spy node (or a very freak accident).
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3172016-10-01T15:40:45 <Lauda> http://i.imgur.com/plndCgd.png
3182016-10-01T15:40:58 <Lauda> They do connect-reconnect on their own every now and then here
3192016-10-01T15:41:01 <wumpus> another idea that has been brought up a few times is to create a service where nodes can publish their peer lists, and the intersection between those is published
3202016-10-01T15:41:15 <wumpus> oh that makes them even easier to detect, no kicking needed :)
3212016-10-01T15:41:30 <Lauda> Same behavior as last time, yes!
3222016-10-01T15:43:51 <wumpus> could add logic that remembers IPs for a while after disconnection, and if the same peer reconnects again, it's labeled/blacklisted. At least if they're unexpected - someone may also have legitimately addnode'd you.
3232016-10-01T15:48:38 <wumpus> in any case the banning doesn't have to be automatic, the software could just warn the user which nodes are 'persistently' connecting to you, it's up to them what to do with that
3242016-10-01T15:49:01 <sipa> curl https://ip-ranges.amazonaws.com/ip-ranges.json | fgrep ip_prefix | cut -d '"' -f 4
3252016-10-01T15:49:09 <sipa> ^- all AWS ip ranges
3262016-10-01T15:49:12 <Lauda> That would be nice, like 'suspicious activity detected'.
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3342016-10-01T16:05:00 <phantomcircuit> wumpus: multiple connections breaks some of the transactions trickle relaying stuff i believe
3352016-10-01T16:06:50 <sipa> phantomcircuit: transaction trickly is now poisson distributed, so with N connections to the same node you get N times higher accuracy
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3452016-10-01T16:48:01 <phantomcircuit> sipa: yeah but more than 1 is still going to be better than 1 for spying on people
3462016-10-01T16:49:11 <sipa> yes, absolutely
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3712016-10-01T18:21:00 <midnightmagic> wumpus, sipa: thank you! :-)
3722016-10-01T18:23:35 * midnightmagic contemplates how to block *outgoing* connections to only bitcoin, when the other side is using a non-standard port. :(
3732016-10-01T18:23:51 <midnightmagic> (on all aws, using firewall)
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3762016-10-01T18:25:15 <sipa> seems i get multiple connections per second from aws nodes
3772016-10-01T18:25:31 <sipa> (some of which may be actual nodes)
3782016-10-01T18:28:46 <GitHub70> [bitcoin] MarcoFalke opened pull request #8859: WIP: [qa] Add script to check for datadir compatibility between versions (master...Mf1610-qaCompat) https://github.com/bitcoin/bitcoin/pull/8859
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3942016-10-01T19:02:58 <GitHub163> [bitcoin] MarcoFalke opened pull request #8860: [qa] util: Move wait_bitcoinds() into stop_nodes() (master...Mf1610-qaUtilWait) https://github.com/bitcoin/bitcoin/pull/8860
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3962016-10-01T19:07:03 <GitHub144> [bitcoin] CryptAxe closed pull request #8763: Optionally sweep funds from private key. (master...2751PullRequest) https://github.com/bitcoin/bitcoin/pull/8763
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4702016-10-01T23:22:00 <GitHub19> [bitcoin] theuni opened pull request #8862: Fix a few cases where messages were sent after requested disconnect (master...fix-disconnect-send) https://github.com/bitcoin/bitcoin/pull/8862
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