The following snippet illustrates the problem: $ uname -srvm Linux 3.9.5-smp #2 SMP Mon Jun 10 02:54:26 CDT 2013 i686 $ git --version git version 1.8.3 $ git clone https://github.com/torvalds/linux.git Cloning into 'linux'... fatal: unable to access 'https://github.com/torvalds/linux.git/': Could not resolve host: github.com (Could not contact DNS servers) Of course, DNS is working fine, and GitHub is accessible from my machine: $ dig github.com ; <<>> DiG 9.9.2-P2 <<>> github.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 20305 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;github.com.INA ;; ANSWER SECTION: github.com.212INA204.232.175.90 ;; AUTHORITY SECTION: github.com.79055INNSns1.p16.dynect.net. github.com.79055INNSns2.p16.dynect.net. github.com.79055INNSns3.p16.dynect.net. github.com.79055INNSns4.p16.dynect.net. ;; Query time: 0 msec ;; SERVER: 192.168.7.2#53(192.168.7.2) ;; WHEN: Tue Jun 18 00:46:13 2013 ;; MSG SIZE rcvd: 141 $ ping -c 3 github.com PING github.com (204.232.175.90) 56(84) bytes of data. 64 bytes from github.com (204.232.175.90): icmp_req=1 ttl=52 time=142 ms 64 bytes from github.com (204.232.175.90): icmp_req=2 ttl=52 time=140 ms 64 bytes from github.com (204.232.175.90): icmp_req=3 ttl=52 time=154 ms --- github.com ping statistics --- 3 packets transmitted, 3 received, 0% packet loss, time 2001ms rtt min/avg/max/mdev = 140.184/145.555/154.217/6.183 ms $ nc -v github.com https github.com [204.232.175.90] 443 (https) open ^C A packet capture shows what's going on: Git tries to resolve github.com over LLMNR rather than DNS, and my router responds with "destination unreachable". 192.168.7.2 is my machine, and 192.168.7.1 is my router: No. Time Source Destination Length Expert Protocol Info 1 0.000000 192.168.7.2 192.168.7.1 70 LLMNR Standard query 0xbfe4 A github.com Frame 1: 70 bytes on wire (560 bits), 70 bytes captured (560 bits) Ethernet II, Src: IntelCor_94:18:a4 (00:1c:c0:94:18:a4), Dst: 22:4e:7f:5b:02:55 (22:4e:7f:5b:02:55) Internet Protocol Version 4, Src: 192.168.7.2 (192.168.7.2), Dst: 192.168.7.1 (192.168.7.1) User Datagram Protocol, Src Port: 55585 (55585), Dst Port: 13568 (13568) Source port: 55585 (55585) Destination port: 13568 (13568) Length: 36 Checksum: 0x8f89 [validation disabled] [Good Checksum: False] [Bad Checksum: False] Link-local Multicast Name Resolution (query) Transaction ID: 0xbfe4 Flags: 0x0100 Standard query Questions: 1 Answer RRs: 0 Authority RRs: 0 Additional RRs: 0 Queries github.com: type A, class IN Name: github.com Type: A (Host address) Class: IN (0x0001) No. Time Source Destination Length Expert Protocol Info 2 0.000254 192.168.7.1 192.168.7.2 98 ICMP Destination unreachable (Port unreachable) Frame 2: 98 bytes on wire (784 bits), 98 bytes captured (784 bits) Ethernet II, Src: 22:4e:7f:5b:02:55 (22:4e:7f:5b:02:55), Dst: IntelCor_94:18:a4 (00:1c:c0:94:18:a4) Internet Protocol Version 4, Src: 192.168.7.1 (192.168.7.1), Dst: 192.168.7.2 (192.168.7.2) Internet Control Message Protocol Type: 3 (Destination unreachable) Code: 3 (Port unreachable) Checksum: 0x8c86 [correct] Internet Protocol Version 4, Src: 192.168.7.2 (192.168.7.2), Dst: 192.168.7.1 (192.168.7.1) User Datagram Protocol, Src Port: 55585 (55585), Dst Port: 13568 (13568) Source port: 55585 (55585) Destination port: 13568 (13568) Length: 36 Checksum: 0x9684 [validation disabled] [Good Checksum: False] [Bad Checksum: False] Link-local Multicast Name Resolution (query) Transaction ID: 0xbfe4 Flags: 0x0100 Standard query Questions: 1 Answer RRs: 0 Authority RRs: 0 Additional RRs: 0 Queries github.com: type A, class IN Name: github.com Type: A (Host address) Class: IN (0x0001) Cloning with the git protocol works as expected. A search on the net shows people having the same problem more than an year ago, and the solution there seems to imply that Git can't cope with async DNS in curl: http://osdir.com/ml/freebsd-ports-bugs/2012-05/msg00095.html Any idea? /lcd PS: Please CC me on replies, as I'm not subscribed to this list. -- To unsubscribe from this list: send the line "unsubscribe git" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html