0
votes
0answers
8 views

_mdnsresponder generates 5‘000 DNS requests/s

On our network with several tens of thousands machine we notices several OS X machines that from time to time begin to send more than 5000 DNS requests per seconds. We were able to identify some of ...
0
votes
0answers
7 views

Safari OCSP/CRL Checking Causing Connectivity Failure

I'm currently implementing an 802.1X network authentication system using Cisco ISE for one of our customers. Our solution requires users (with personal devices) to connect to an open SSID network, ...
0
votes
1answer
21 views

Mavericks frequently doesn't resolve any hosts after router switch; pings fine

After a switch to a new router, I frequently experience that all sites fail to resolve under Mavericks 10.9.4 on MBA mid-2011, both with Safari, Chrome and pinging google.com. It lasts for variable ...
0
votes
0answers
24 views

DNS Lookup Failure on Terminal Only (Mavericks)

I recently did a clean install of Mavericks, and ever since I have, I've been having intermittent DNS lookup failures on the terminal only. Browsers work fine (Chrome, Safari). But nothing works ...
0
votes
0answers
70 views

OS X, connection drop downs, socket closed prematurely, mDNS

I have big problem with my OS X Mavericks Wi-Fi connection. I have tried calling my ISP (now we have stronger AP antenna), NVRAM reset, OS X reinstall, run own DNS local with dnsmasq, manually set IP ...
-1
votes
1answer
98 views

Using VPN and Wifi at the same time

I have a VPN to connect to my school's IT department (I volunteer with them), but I am having a problem. I have added the VPN to the Network Interface list in System Preferences, and can connect just ...
2
votes
1answer
139 views

Configured Airport as Bridge and use OS X Server for DHCP and DNS, no Internet

I want to use my Mac Mini as an OS X Server with the following services: DNS DHCP Open Directory Profile Manager I configured my Airport Extreme under the "Internet" tab to use my static IP ...
2
votes
1answer
352 views

Mac Mavericks 10.9 DNS problem with specific addresses

A number of network addresses appear to be unreachable from my computer (Mac Mavericks, 10.9.2). For example I do not see any images on wikipedia. Today's featured article does not show the image ...
0
votes
0answers
41 views

What methods exist to give an iPhone an external hostname, on wifi or cellular data?

I want to give my iPhone (iOS7) a hostname, which will automatically resolve from anywhere as long as the phone is online. My iPhone can be jailbroken as part of the solution; that's not preventative. ...
2
votes
1answer
59 views

Adding hosts entry to iOS in absence of DNS

I am working with an application where my iPhone needs to see my laptop on the network under its host name and not the IP address because the SSL certificate works with the name only. At the office, ...
0
votes
1answer
67 views

DNS name of virtual machine

I need to reliably access the SqlServer running on my Windows 7 VM. I've tried setting a static ip and reserving that ip for the machine in VMWare's Nat config but that cuts off WAN access from the ...
6
votes
2answers
806 views

Internet Sharing handing out wrong DNS server address

I'm using a MacBook Pro with OS X Mavericks 10.9.2. It connects to the internet via a USB 3G dongle, and I want to share that internet connection via wifi. However, on devices that connect to the ...
0
votes
1answer
54 views

mid-2011 MBA: sluggish wifi on WPA/WPA2 networks

Machine specs: Mid-2011 MacBook Air with a 1.8 GHz Intel Core i7 processor, and 4 GB DDR ram, Intel HD Graphics 3000 384 MB, OS 10.9.2 (Mavericks). Wifi connection is sluggish with multiple ISPs on ...
4
votes
1answer
143 views

Automatically assign DNS

How do I ensure that the DNS is being set by the network? On Windows I would check here and make sure that Obtain DNS server address automatically was selected:
2
votes
1answer
88 views

Dig resolves a domain, but all other programs fail to find it

Mac OS X Mavericks, no VPN, connecting via wifi. This domain resolves to my IP address in the local network $> dig mydomain.xx ;; ANSWER SECTION: mydomain.xx. 3591 IN A 192.168.10.18 I ...
1
vote
0answers
533 views

How should I configure my VMware Fusion VM network connections?

I've been a long time user of VMware Fusion on my iMac and I've just bought a MacBook Pro to allow me to work on projects whilst I'm away from my desk. On my iMac, I have a few VMs, each with their ...
0
votes
0answers
54 views

MacBook making strange DNS requests

We have a MacBook on our LAN making strange DNS requests for non-existant host-names: (Windows Server DNS log extract shown) 20131127 09:07:18 A28 PACKET 02A34A10 UDP Rcv 192.168.30.47 e40d Q ...
0
votes
0answers
82 views

VPN splitdns not working on cellular data

I'm using an iOS On-Demand VPN with SPLIT-DNS (strongswan ipsec). If I'm on WiFi everything works perfectly. In Safari the DNS request for the hosts I specified are sent my way. However on LTE/3G, ...
1
vote
0answers
171 views

Resolve domain name using the internal IP when inside the intranet?

I want to access a web server using the same domain name while I am inside the intranet but a different IP. Let's say that I register into a public DNS: mysrv-public.example.com public-ip ...
0
votes
1answer
2k views

DHCP and DNS fail to work in Mac OS X 10.8.2, still work in recovery mode

I've been most unfortunate to see my mid-2012 Macbook Air 11" running Mac OS X 10.8.2 stop properly receiving DHCP leases AND resolving DNS names to IPs. I know, there is 10.8.5, and Mavericks that ...
1
vote
1answer
90 views

Mountain Lion OSX Server One IP Virtual Sites www resolving to wrong Site

I am trying to get 2 domains working properly with one static IP on ML OSX Server. When I set a domain = www.domain2.com- it resolves to domain1.com. I have dns set for domain 2 at godaddy, where ...
1
vote
0answers
2k views

SSH'ing with just a machine name on internal network: nodename nor servname provided, or not known

Yesterday I was able to ssh into my development box by using the machine name. Today, I can't. I can nslookup and use chrome to navigate to my box using just the machine name. ping and ssh do not ...
1
vote
0answers
140 views

Does Apple's iOS have a backup DNS server configuration?

Yestderday I experienced something interesting while setting up a Wi-Fi access point. The access point was connected to the Internet via a local modem (gateway), which had NO DNS server address ...
1
vote
1answer
186 views

On OS X is it possible to override DHCP assigned DNS servers but still keeping them for fallback?

By default I would like to use the google public DNS servers and to fallback to intranet ones when these are failing. Is this possible? ... I am looking for a setup that would not break when I move ...
2
votes
1answer
1k views

Can I redirect to an alternative DNS Lookup server depending on domain request

Background I had a problem loading images from a particular website. ( more details of that here) Someone at work Suggested I change my DNS servers to openDNS and see if that resolves the problem. ...
1
vote
1answer
2k views

2011 MacBook (10.6.8) connects to AirPort but intermittently won't connect to webpages

I have never experienced this problem before. I know that the problem is not the internet, because the internet works fine on all my other devices, both Windows and Mac. I brought my MacBook in to the ...
0
votes
1answer
439 views

DNS Zones not working after OS X 10.8.5 upgrade

Prior to upgrading from OS X 10.8.4 to 10.8.5, I had the following DNS zone file in place that worked perfectly fine - now it's failing: ; ; BIND data file for dev sites ; $TTL 604800 @ IN ...
1
vote
0answers
79 views

DNS resolution temporarily failing

Macbook air mid-2012 w/ Mountain Lion. Whenever I wakeup from a long sleep and also on some random moments when it's on, i get DNS resolution failures for every server, with nslookup saying ;; ...
1
vote
1answer
301 views

Name resolution is using proxy server over my local DNS server

I'm running a local DNS server to resolve .dev as a testing domain on my machine, the resolution works fine and shows the proper answer through dig and ping and I can pull the home page instantly with ...
2
votes
0answers
87 views

Added website with a subdomain on Mountain Lion server couldn't be found on other machines

My server is accessible via example.com and I want my website to be accessed via sub.example.com. I added a website to Mountain Lion server with domain name that's actually a subdomain; ...
0
votes
2answers
57 views

Trying to find the /etc/resolve

I'm trying to connect a Macbook Air running 10.8.4 to a Windows 2008 R2 server. I have run into trouble as we use a company.local. I think this may be the problem: ...
1
vote
2answers
3k views

Can't access specific websites with Macbook Air (10.7.5 Lion)

This has really baffled me: While my internet connection works, I can't access specific websites with Safari (or any other browser for that matter). I don't get a 404 page; Just an error message that ...
0
votes
0answers
323 views

Intermittent temporary DNS resolution failure in web browsers

None of the suggested questions had these precise symptoms. On my mid-2010 27" iMac I sometimes am unable to resolve a certain domain for only minutes at the time. Seemingly at random and very ...
3
votes
2answers
199 views

Local DNS circumvented when WiFi is active

I am using Mac OS X 10.8 to connect to two networks through ethernet and wifi and I am experiencing a problem with local DNS resolution. I would really appreciate your advice. I am simultaneously ...
1
vote
2answers
882 views

Lion resolving DNS names when querying server directly, but not when used in a command or app

I've recently (as in minutes ago) added a hostname and reverse (A and PTR) records for a hostname on my internal network, using a Bind DNS server. For some reason, i can both dig and nslookup this new ...
2
votes
1answer
177 views

How to prevent sending of hostname via DHCP?

I am trying to prevent OS X from sending its hostname to the DHCP server. For example, in OpenSuse systems there is DHCLIENT_HOSTNAME_OPTION="AUTO". I cannot find a similar option in OS X for this, ...
1
vote
1answer
288 views

Change of IP / Configure AirPort Extreme

Earlier today our IP Address changed due to misconfiguration caused by our ISP. I'm trying to ensure our IP won't change again. So I spoke with our ISP and they assigned us a static IP (we were ...
1
vote
1answer
187 views

How to host Etherpad (node.js) AND create a closed Wifi network from the same Mac?

I have a successfully running Etherpad install running on my Mac, and when clients on my network connect to my node.js server through the IP address assigned by my router, all is well. But I'm going ...
0
votes
3answers
1k views

Where could I get my networks domain name?

I am trying to determine domain name of my network. I tried some programming methods, commands but i could not get domain name of my network.I got ip address using cat /etc/resolv.conf I was doing ...
0
votes
0answers
390 views

Another DNS name resolution trouble!

The problem I have OS X Mountain Lion, latest updates installed. Randomly after boot, I have no network connectivity from a user perspective. Web browsers are unable to display pages, no mail to ...
1
vote
3answers
3k views

How does the iPad expose its host name over the network?

When I connect my iPad to the wifi network at work, I can ping it by name: ping my-ipad. Clearly the router is somehow exposing it via DNS, or something like that. But when I connect my iPad to the ...
1
vote
0answers
96 views

Strange domain name appears in Sharing Preferences, source unknown

First of all before anyone asks, I have already set my DNS name in the Terminal with scutil, which is reflected on the Terminal prompt and returned by the hostname command. I also understand that this ...
1
vote
1answer
698 views

Ethernet Working but No Internet Connection

In my office, nearly everybody uses Mac and we have just only one Windows 7 system. Just this morning, all the Mac systems (10.8.2) could not connect to the internet but could connect to the network, ...
1
vote
1answer
216 views

Cannot Resolve Host

For some reason my system will not resolve hosts added to /etc/hosts. If I add an entry: 127.0.0.1 somename.dev It won't resolve. If I add this, however: 127.0.0.1 somename.dev ::1 somename.dev ...
3
votes
2answers
607 views

How would I prepend 127.0.0.1 as a nameserver all the time

I do web development and I would like to have dnsmasq running and handing my local dns requests. However I work in a lot of different networking scenarios and I need to DHCP updating my networking ...
6
votes
2answers
3k views

What is the preferred method of command line domain name lookup (DNS)?

What command line command do I use to lookup a domain address? When looking at the man pages for nslookup and dig I can see a section saying that these utilities do not use the Mac OS methods of ...
0
votes
2answers
2k views

Why can I not access my own website - unknown host? [closed]

I have a website - www.birupakhyadash.com - which I am not able to access. The traceroute to the address returns the error: unknown host. I have tried to clear the dns cache and disable the ...
0
votes
1answer
302 views

How to use machine name of iOS devices on network?

I have an iPhone 4 and a 3rd generation iPad. They connect to my local home network over WiFi but I cannot use their machines names. I have an app on both devices that exposes a web server, but I can ...
0
votes
1answer
1k views

Odd (potentially DNS) network problems on my Macbook Pro (VPN / Network Connect related)

I was reluctant to ask a new question as there appears to be a million dns related questions on here and elsewhere already, but, I think mine might be a bit different. An example, right now I am ...
1
vote
0answers
569 views

ping and browsers do not seem to use local DNS server? (or: mDNSResponder looses local dns server?)

(1) Stack Info DNS Server CentOS 5.6 64bit running dnsmasq 2.45 on IP 10.9.8.2. Serving as DNS-Only Server using it's local /etc/hosts. /etc/resolv.conf on this machine has Router Draytek ...