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path: root/p2p/discv5/net.go
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* Rebrand as tangerine-network/go-tangerineWei-Ning Huang2019-09-171-6/+6
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* Change import go github.com/dexon-foundation/dexonWei-Ning Huang2019-06-121-6/+6
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* vendor, crypto, swarm: switch over to upstream sha3 packageDave McGregor2019-01-041-2/+2
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* p2p/discv5: don't hash findnode target in lookup against table (#18309)yahtoo2018-12-141-1/+1
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* p2p/discv5: gofmtPéter Szilágyi2018-11-271-1/+1
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* p2p/discv5: minor code simplification (#18188)ANOTHEL2018-11-271-5/+4
| | | | | | | | * Update net.go more simple * Update net.go
* p2p/discv5: make idx bounds checking more sound (#17571)HAOYUatHZ2018-09-031-1/+1
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* p2p/discv5: add delay to refresh cycle when no seed nodes are found (#16994)Felföldi Zsolt2018-08-151-1/+1
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* p2p/discv5: fix negative index after uint convert to int (#17274)libotony2018-08-091-1/+1
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* build: enable goimports and varcheck linters (#16446)thomasmodeneis2018-04-181-3/+1
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* p2p/discv5: fix multiple discovery issues (#16036)Felföldi Zsolt2018-02-091-15/+25
| | | | | | | | | | | | * p2p/discv5: add query delay, fix node address update logic, retry refresh if empty * p2p/discv5: remove unnecessary ping before topic query * p2p/discv5: do not filter local address from topicNodes * p2p/discv5: remove canQuery() * p2p/discv5: gofmt
* p2p, p2p/discover, p2p/discv5: implement UDP port sharing (#15200)Felföldi Zsolt2018-01-221-2/+1
| | | | | | | | | | | | | | | This commit affects p2p/discv5 "topic discovery" by running it on the same UDP port where the old discovery works. This is realized by giving an "unhandled" packet channel to the old v4 discovery packet handler where all invalid packets are sent. These packets are then processed by v5. v5 packets are always invalid when interpreted by v4 and vice versa. This is ensured by adding one to the first byte of the packet hash in v5 packets. DiscoveryV5Bootnodes is also changed to point to new bootnodes that are implementing the changed packet format with modified hash. Existing and new v5 bootnodes are both running on different ports ATM.
* p2p/discv5: fix reg lookup, polish code, use logger (#15737)Péter Szilágyi2017-12-281-32/+24
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* all: use gometalinter.v2, fix new gosimple issues (#15650)Zach2017-12-131-1/+1
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* all: blidly swap out glog to our log15, logs need reworkPéter Szilágyi2017-02-231-14/+13
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* p2p/discover, p2p/discv5: use flexible comparison for IPsPéter Szilágyi2016-12-151-1/+1
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* p2p/discv5: search and lookup improvementZsolt Felfoldi2016-12-081-34/+85
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* p2p, p2p/discover, p2p/discv5: add IP network restriction featureFelix Lange2016-11-231-3/+9
| | | | | | The p2p packages can now be configured to restrict all communication to a certain subset of IP networks. This feature is meant to be used for private networks.
* p2p/discover, p2p/discv5: prevent relay of invalid IPs and low portsFelix Lange2016-11-231-7/+12
| | | | | | | | | | | | | | | | | | | | | The discovery DHT contains a number of hosts with LAN and loopback IPs. These get relayed because some implementations do not perform any checks on the IP. go-ethereum already prevented relay in most cases because it verifies that the host actually exists before adding it to the local table. But this verification causes other issues. We have received several reports where people's VPSs got shut down by hosting providers because sending packets to random LAN hosts is indistinguishable from a slow port scan. The new check prevents sending random packets to LAN by discarding LAN IPs sent by Internet hosts (and loopback IPs from LAN and Internet hosts). The new check also blacklists almost all currently registered special-purpose networks assigned by IANA to avoid inciting random responses from services in the LAN. As another precaution against abuse of the DHT, ports below 1024 are now considered invalid.
* cmd, mobile, node, p2p: surface the discovery V5 bootnodesPéter Szilágyi2016-11-151-8/+0
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* p2p/discv5: added new bootnodesZsolt Felfoldi2016-11-141-1/+2
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* p2p/discv5: fixed bootnode connect issuesZsolt Felfoldi2016-11-141-37/+53
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* discv5: fixed state machine lockup bugZsolt Felfoldi2016-11-111-0/+3
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* p2p/discv5: added new topic discovery packageZsolt Felfoldi2016-11-091-0/+1200