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@bortzmeyer
bortzmeyer / gist:8728191
Created January 31, 2014 08:06
Test of UDP filtering by Geant
% traceroute ns1.dns.lu
traceroute to ns1.dns.lu (158.64.229.18), 30 hops max, 60 byte packets
1 gw.inges.nic.fr (192.134.7.126) 0.174 ms 0.247 ms 0.304 ms
2 mx80-2.sqy.interco.nic.fr (192.134.7.229) 1.726 ms 1.874 ms 1.868 ms
3 * * *
4 te2-5-paris1-rtr-021.noc.renater.fr (193.51.189.209) 2.236 ms 2.287 ms 2.341 ms
5 te0-1-0-3-paris1-rtr-001.noc.renater.fr (193.51.189.41) 5.972 ms 6.002 ms 5.997 ms
6 renater-LB1.mx1.par.fr.geant.net (62.40.124.69) 2.337 ms 2.329 ms 2.362 ms
7 ae1.mx2.lux.lu.geant.net (62.40.98.98) 13.252 ms 12.044 ms 12.025 ms
8 62.40.98.100 (62.40.98.100) 12.238 ms 12.240 ms 12.309 ms
@bortzmeyer
bortzmeyer / gist:8755918
Created February 1, 2014 18:00
IPv6 in Vatican name servers
% check-soa -i va
dns.nic.it.
192.12.192.5: OK: 2014013005 (38 ms)
2a00:d40:1:1::5: OK: 2014013005 (94 ms)
john.vatican.va.
212.77.0.110: OK: 2014013005 (36 ms)
2a01:b8:0:1:212:77:0:110: OK: 2014013005 (37 ms)
michael.vatican.va.
212.77.0.2: OK: 2014013005 (53 ms)
2a01:b8:0:1:212:77:0:2: OK: 2014013005 (39 ms)
@bortzmeyer
bortzmeyer / gist:8768937
Created February 2, 2014 14:05
OpenNTPD on ArchLinux sending requests to referece NTP
14:01:26.178439 IP (tos 0xc0, ttl 64, id 35420, offset 0, flags [DF], proto UDP (17), length 76)
192.168.2.9.123 > 192.168.2.4.123: NTPv4, length 48
Client, Leap indicator: (0), Stratum 4 (secondary reference), poll 10 (1024s), precision -20
Root Delay: 0.016067, Root dispersion: 0.071609, Reference-ID: 192.168.2.4
Reference Timestamp: 3600336358.182643622 (2014/02/02 13:25:58)
Originator Timestamp: 3600337427.245968997 (2014/02/02 13:43:47)
Receive Timestamp: 3600337427.223003685 (2014/02/02 13:43:47)
Transmit Timestamp: 3600338486.178329542 (2014/02/02 14:01:26)
Originator - Receive Timestamp: -0.022965317
Originator - Transmit Timestamp: +1058.932360529
@bortzmeyer
bortzmeyer / gist:8782108
Created February 3, 2014 11:08
Freenode apparently trying to mitigate a dDoS attack by redirecting users to themselves
% dig A chat.freenode.net
; <<>> DiG 9.9.2-P2 <<>> A chat.freenode.net
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53775
;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
% check-soa -i mario.plumbing
a.dns.gandi.net.
2604:3400:a::2: OK: 1349871047 (2 ms)
173.246.97.2: OK: 1349871047 (3 ms)
b.dns.gandi.net.
217.70.184.40: OK: 1349871047 (3 ms)
2001:4b98:b:a::40: OK: 1349871047 (3 ms)
c.dns.gandi.net.
2001:4b98:c:521::20: OK: 1349871047 (2 ms)
217.70.182.20: OK: 1349871047 (2 ms)
AUTH1.DNS.ELM.NET.
2a02:898:55:4200::101: OK: 2014030104 (59 ms)
94.142.241.101: OK: 2014030104 (60 ms)
DNS3.GANDI.NET.
217.70.179.36: OK: 2014030104 (33 ms)
NS-SLAVE.FREE.org.
88.191.249.137: OK: 2014030104 (33 ms)
2a01:e0d:1:2:58bf:f989:0:1: OK: 2014030104 (47 ms)
NS-V6.eu.org.
2a01:e35:8b50:2c40::4: OK: 2014030104 (55 ms)
cfdisk (util-linux 2.20.1)
Disk Drive: /dev/xvda
Size: 7516192768 bytes, 7516 MB
Heads: 255 Sectors per Track: 63 Cylinders: 913
Name Flags Part Type FS Type [Label] Size (MB)
-------------------------------------------------------------------------------------------------
xvda1 Primary ext3 [DEBIAN4] 2566.29
xvda2 Primary swap 649.80
Ok
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
Pid: 1, comm: swapper/0 Not tainted 3.2.53-xenU-8869-i386 #4
Call Trace:
[<c128824b>] ? panic+0x57/0x13e
[<c1366ab6>] ? mount_block_root+0x19c/0x21f
[<c1002930>] ? set_aliased_prot+0x109/0x110
[<c1366c8e>] ? mount_root+0x4b/0x5f
[<c1366de8>] ? prepare_namespace+0x146/0x18c
[<c10b6802>] ? sys_access+0x1f/0x23
Reserving virtual address space above 0xf5800000
Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 3.2.53-xenU-8869-i386 (package@wheezy64) (gcc version 4.7.2 (Debian 4.7.2-5) ) #4 SMP Fri Dec 20 13:50:40 UTC 2013
KERNEL supported cpus:
Intel GenuineIntel
AMD AuthenticAMD
Released 0 pages of unused memory
Set 0 page(s) to 1-1 mapping
BIOS-provided physical RAM map:

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To claim this, I am signing this object: