wr410's recent timeline updates
wr410

wr410

V2EX member #258464, joined on 2017-10-09 21:42:19 +08:00
wr410's recent replies
12 days ago
Replied to a topic by wr410 宽带症候群 某些网站的 DNS 只返回 AAAA 记录
@Ipsum 已经确认了,确实是电信 ISP 劫持了,随便输个 DNS 的 IP 居然能返回结果,而且走 TCP 也一样有返回,无语了
```
23:22:18.498281 IP 192.168.1.1.63001 > 12.34.56.78.53: 8+ A? www.baidu.com. (31)
23:22:18.503105 IP 12.34.56.78.53 > 192.168.1.1.63001: 8 2/5/9 CNAME www.a.shifen.com., A 183.2.172.177 (335)
```

劫持吧,至少也让人正常使用呗,为了努力提高 ipv6 使用率也是想尽办法了
12 days ago
Replied to a topic by wr410 宽带症候群 某些网站的 DNS 只返回 AAAA 记录
@Ipsum 就只返回了个 CNAME 不带 A 记录回来的
```
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id:
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
;; QUESTION SECTION:
;aa. IN A

;; Query time: 0 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Sat May 16 22:45:50 ;; MSG SIZE rcvd: 31

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id:
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 9

;; QUESTION SECTION:
;www.baidu.com. IN A

;; ANSWER SECTION:
www.baidu.com. 600 IN CNAME www.a.shifen.com.

;; AUTHORITY SECTION:
a.shifen.com. 64 IN NS ns3.a.shifen.com.
a.shifen.com. 64 IN NS ns4.a.shifen.com.
a.shifen.com. 64 IN NS ns5.a.shifen.com.
a.shifen.com. 64 IN NS ns1.a.shifen.com.
a.shifen.com. 64 IN NS ns2.a.shifen.com.

;; ADDITIONAL SECTION:
ns2.a.shifen.com. 423 IN A 220.181.33.32
ns3.a.shifen.com. 36 IN A 36.155.132.12
ns3.a.shifen.com. 36 IN A 153.3.238.162
ns4.a.shifen.com. 180 IN A 14.215.177.229
ns4.a.shifen.com. 180 IN A 111.20.4.28
ns5.a.shifen.com. 436 IN A 180.76.76.95
ns1.a.shifen.com. 158 IN A 110.242.68.42
ns5.a.shifen.com. 436 IN AAAA 240e:bf:b801:1006:0:ff:b04f:346b
ns5.a.shifen.com. 436 IN AAAA 240e:940:603:a:0:ff:b08d:239d

;; Query time: 15 msec
;; SERVER: 119.29.29.29#53(119.29.29.29)
;; WHEN: Sat May 16 22:45:50 ;; MSG SIZE rcvd: 319
```
14 days ago
Replied to a topic by wr410 宽带症候群 某些网站的 DNS 只返回 AAAA 记录
@Kinnice 目前只有百度频繁出现得让我注意到有这个问题,感觉没有劫持的意义
也就是 BARS 重启一下,经常偷摸干这些事的
乱七八糟的,本质上就是把 iptv 单独划个 vlan 出来就行了,不然的话你整个网络都会被 iptv 的广播包填充
Mar 9
Replied to a topic by pcj3399 宽带症候群 中国移动宽带晚上翻非常慢
三月开始的,例如某个连 SG 腾讯云的亚服游戏就很明显,路由绕美,电信丢包率 40%,移动丢包率 80%
@ntedshen 只讨论硬盘的话确实有可能有加热数据的功能,但是这个特性并不会标明在硬盘上,用户也没办法知道具不具备这个特性。其实我主要讨论的还是,像不具备这种特性的数据卡,U 盘,是不是应该主动去加热?甚至是各种单片机设备上 NAND 里的固件,这些数据又怎么去加热?
May 11, 2024
Replied to a topic by maidenAssassins 问与答 那个丑丑的头像怎么弄的,教教我
有毒,快跑
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