Questions tagged [dns]

Domain Name Service, a method of converting a textual doman name to an IP address

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votes
1answer
271 views

Who is trying to use the Stealth Mode as reported in Console

I found following in my Console on MBA 10.13 Stealth Mode connection attempt to UDP 192.168.0.12:52734 from 8.8.8.8:53 Stealth Mode connection attempt to UDP 192.168.0.12:57880 from 8.8.8.8:53 ...
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1answer
863 views

My mac's hostname keeps getting reset to default

My mac's default hostname is Scott-Johnson.local. In the sharing system preferences, I set the hostname to felucia.local, which takes as expected. However, at some point in the future (usually due to ...
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0answers
450 views

Safari on iMac (Mojave) can't resolve http://<hostname>.local

Safari 12.0 on my 2017 iMac cannot resolve local computer names. In my particular case the computer is a RaspberryPi with a default web page. If I put "pi-star.local" in the Safari address box, I ...
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0answers
758 views

How to override DNS resolver ordering while connected to L2TP VPN

OS: macOS Mojave 10.14 (18A389) Current network setup: Local domain: home.rossipedia.com Subnet: 172.16.10.0/24 Gateway / DHCP server / DNS server: 172.16.10.1 Output of scutil --dns: DNS ...
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0answers
28 views

Website unresolved via OSX Safari

Issue URL does not resolve: see 'dig test results' Safari 11.1.2 System Version: OS X 10.11.6 (15G22010) Kernel Version: Darwin 15.6.0 Boot Volume: Macintosh HD Boot Mode: Normal The ...
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1answer
2k views

dnsmasq not working oh Mac OS High Sierra

I have a service running on localhost on MacOS High Sierra. curl foo.test does not work, but curl localhost does. To get to my setup, I installed dns using homebrew, brew install dnsmasq ...
1
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1answer
86 views

How can I reconfigure my PF.conf to be more secure

I want to make my computer more secure and a part of it I want to do with reconfiguring my PF firewall. How can I reconfigure my PF.conf to be more secure? I made a github repo where I posted my ...
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1answer
24 views

Website Doesn't redirect correctly

I have recently created a blog and hosted that on a freehosting website. domain is purchased from hostgater Website is hosted on freehosting. On hostgather nameserver has been updated as per ...
2
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1answer
32 views

OS X adds “incorrect” DNS servers “on top” of correct ones

OS X (latest version of High Sierra) is doing something strange when I try to connect to my campus wireless network. On a regular basis, it is adding an incorrect DNS server (10.0.0.255) "on top" of ...
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2answers
405 views

Unable to resolve hostnames inside macOS chroot jail

I just created a chroot jail with inetutils, coreutils and bash. Most of the things seem to work. I can ping ip addresses and hosts that are inside /etc/hosts, however, I can't ping hosts that are not ...
2
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1answer
174 views

Cannot ping a single website when I am logged into my account

I am having an issue connecting to my website. When I ping sample.com the server, I IP address I get is 192.168.0.12, but when I do an NSlookup, I get the correct IP. When I switch user account or go ...
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2answers
246 views

how to add ip routes with host name instead of ip address?

I want to add IP routes for host that I do not have the IP address for. I basically want tell macOS to search for a host in a specific interface: sudo route add -host <myHostname> -iface en7 ...
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0answers
66 views

Safari and Chrome loading the wrong website

My client is having an issue that is exclusive to her computer. When viewing her website on any other computer the website that shows is the current one being hosted by Squarespace. When viewing on ...
1
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1answer
112 views

iPhone 7 Sim Switching, Account Switching or just Normal Domain Traffic?

I think there is some funny business going on with one of the devices in my house. I'm not sure if the person is changing into between iCloud Accounts on the same device, or switching Sims or using ...
4
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1answer
3k views

How to change nameserver in resolv.conf in Recovery Mode?

How can I change the nameserver in /etc/resolv.conf while the MacBook is in recovery mode?
4
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3answers
2k views

How to use mac as a full router with DHCP, DNS, Port Fowarding etc.?

I know I can use internet sharing in macOS to share the internet connection provided to one network interface over one or more other network interfaces on my Mac. However, the feature set is VERY ...
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1answer
99 views

macOS not resolving IP Address

I used a certain domain name temporarily to build a site on. The site has been moved to its own URL and now I want to use the same domain again for another site. I have set up the WP installation but ...
6
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1answer
89 views

Terminal Displays My Roommate's Computer

I don't know how long ago this happened, but today I realized that when I open up terminal it no longer says Matthew-MacBook:~matthew$ as it used to. Instead, it appears to have synched up with my ...
4
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0answers
579 views

MacOS and split DNS

MacOS: 10.13.3 Pritunl VPN client: v1.0.1653.28 I have been following this: https://lists.apple.com/archives/macnetworkprog/2005/Sep/msg00047.html and http://hints.macworld.com/article.php?story=...
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1answer
53 views

Resolve internet address (IP) as running apps see them currently (vs. external name server)

Sometimes, I need to see the actual IPv4 address of web sites I open in Safari. Now, there are two terminal commands, host and dig, which I could use for that. But these commands are not always ...
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0answers
255 views

DNS Setup on a Per-SSID basis?

I manage a number of iOS devices. These devices are supervised via Apple Configurator. When they connect to a specific SSID, I want the devices to use the servers specified by DHCP (If needed, I can ...
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1answer
3k views

macOS High Sierra not trying other DNS servers

On one of my laptops which is running macOS High Sierra, is failing to resolve hostnames. I have specified two DNS servers in my network settings. One is an internal DNS server, and the other is 8.8.8....
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1answer
274 views

sharing internet/vpn with ipfw, can't access google.com over https

I am sharing my internet connection / IKEv2 VPN connection over pf via Murus static NAT. My network architecture is as follows: internet modem -> wired router (serving 192.168.1.1/24) -> Mac ...
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1answer
663 views

Force DNS server ip while connected to VPN

I'm using Fortclient VPN to connect to a customer network and the client enforces the use of their DNS (since the customer is in Turkey I get false DNS responses on wikipedia and other websites while ...
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2answers
885 views

DNS Suffix on two network Interfaces on MacBook Pro

I got a new MacBook Pro for my work office and have a network issue. On the MBP 13" I use the integrated Wi-Fi and an additional a Belkin USB Ethernet. Now, with those two network interfaces I ...
1
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1answer
575 views

High Sierra DNS fails intermittently for LAN-local hosts

I have a local domain for my home network, which uses .loc as a TLD (not .local). Name resolution for hosts on that network always works using dig or nslookup from a terminal, but intermittently fails ...
1
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1answer
72 views

Confusing reverse DNS IP replacement, ever since I edited /etc/hosts

A while ago I was trying to set up convenient ssh to a server, so I added an entry to /etc/hosts (not real IP): # Host Database 104.111.11.1 dokku.1 I've realized since then that using ~/.ssh/...
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1answer
524 views

How to access external DNS on iOS when it is blocked

I need to access critical external website from an iPad which is blocked in our local network for unknown reason I yet to find out (not a porn, seriously!). IP of that resource is still accessible ...
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1answer
47 views

Hostfile not working for subdomain

I'm trying to setup custom A records for domains via /etc/hosts on my OSX 10.13.2 MBP. It usually works just fine, first time that it works only for 1 of the 2 domains: 1.2.3.4 dev.com (works; ...
2
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1answer
58 views

macOS denying service

I reset my MacBook to factory settings 4 weeks ago, after I started having issues with missing libraries, etc., after messing around with a few 3rd party applications (SDKs and such). After resetting ...
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1answer
5k views

How to find all devices (IP Address, Hostname, MAC Address) on local network?

I've read almost every thread related to this, yet no one has quite made it easy to access a table like the following. IP Address Hostname MAC Address 192.168.1.10 | myAppleTV | 02:...
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2answers
64 views

MacOSX how to ping local Windows machine by using $machine_name.local?

I have home network with 3 devices: MacHighSierra Windows10 WDMyClould Bell Home Hub 2000 is the router, from my Mac, I can access #3 by doing ping WDMyCloud.local But the same thing didn't work ...
5
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3answers
3k views

IPv6 dns resolution on macOS High Sierra

My ISP provides me only with an IPv4 address. After setting up a connection to my university OpenVPN server, I get an IPv6 address. With an example IPv6 address www6.fit.vutbr.cz I can: host www6....
1
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1answer
2k views

How to fix Private Internet Access' kill switch?

When you enable Private Internet Access' kill switch, you can only have internet when you are connected to the VPN. When you disable it, you should have internet even if the VPN is not enabled. The ...
3
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1answer
2k views

Personal Hotspot not forwarding DNS requests to the interent on iPhone 7 with IOS 11

I have been using my iPhone 7 plus as a personal hotspot since I bought it. The hotspot worked fine with IOS 10. After upgrading my iPhone to IOS 11, the personal hotspot now exhibits the following ...
2
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0answers
749 views

MacOS mDNSResponder misbehaving with local DNS in VM

[VirtualBox 5.1.30 r118389 (Qt5.6.3), HOST: MacBook Pro High Sierra 10.13.1, GUEST: Ubuntu 14.04 LTS] My VM is setup with two NICs, one using NAT, the other using Host-Only Networking. My VM is ...
1
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1answer
50 views

MacOS DNS not checking alternates

[MacBook Pro, MacOS High Sierra host, Ubuntu 16.04 LTS Guest] I have a VM running in VirtualBox which has its own DNS server. I am also connected to a LAN that has a DNS server configured via DHCP. ...
1
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1answer
246 views

Mac & DNS - Setting up the nameserver

So, I am have been on a quest lately to secure laptops used by children & help with a small school computer lab. They are split between Macs & Ubuntu (Linux). One of my first rules was to ...
4
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2answers
699 views

How to add AAAA flag (IPv6) to DNS resolver configuration on Sierra?

I have working IPv6 interface with /64 prefix. It means I can connect to direct IPv6 addresses through browser but can't connect to IPv6 hosts like testv6.madore.org. The issue is in DNS ...
2
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1answer
308 views

How to set macOS Server to prevent DNS zone transfer?

macOS Server 10.12.6 documentation says that we should prevent arbitrary zone transfers out of our DNS server, and that the way to do this is to firewall port 53 for anyone not on our LAN, with ...
14
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6answers
58k views

iOS 11: How to change DNS settings for cellular/mobile data?

Is it possible to change DNS for cellular internet? How can it be done without a jailbreak? I've tried Apple Configurator, but didn't find suitable settings.
12
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1answer
11k views

Flush cache of DNS on macOS Sierra & High Sierra

How to flush the cache of the DNS system on a macOS Sierra or High Sierra Mac? I have seen discussion of the following, but am not sure if this is the modern approach. And I am not sure what each ...
0
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1answer
1k views

Change hosts file does not have any effect

I have edited the /etc/hosts file on macOS 10.12.6. Then trying to flush the DNS services has no effect, why? Here is what I have done: cd /etc sudo cat hosts sudo cat -te hosts ##$ # Host Database$ ...
3
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0answers
704 views

macOS Sierra/High Sierra and IPv6 DNS via SLACC

In my (dual stack) network, a router provides IPv6 addresses and DNS servers (RDNSS) via router advertising. There is no DHCPv6 server running and I want my mac to accept the DNS servers being ...
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2answers
1k views

DNS Server keeps changing to 10.0.22.1 & .2 in OSX 10.9

My DNS Server keeps changing to 10.0.22.1 & 10.0.22.2 in OSX 10.9.5. This causes me to regularly lose internet access until I go into the network preferences pane and delete the two "incorrect" ...
0
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1answer
61 views

Mac mini-hosted WordPress websites won't load on any of the Macs on LAN

I have three Mac minis on our LAN, all of which have Yosemite and OS X Server, but only one is enabled as a web server. My problem is that I can see the WordPress-based websites hosted on this web ...
3
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1answer
408 views

MacOS Sierra - localhost not found while using Hugo (not related to Apache)

note this is NOT related to Apache and I'm not looking for Apache-centered answers. I am using the Hugo static site generator to create sites and trying to test on a MacBook running Sierra. I am ...
1
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1answer
611 views

Mac seems to ignore the result of local DNS for local hosts

I have a server (running Ubuntu 16.04) on my local network, which amongst other things, runs DMSmasq. My local domain is njj.chickenkiller.com. Running on my Mac, if you query the DNS, it returns the ...
2
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0answers
905 views

Why the DNS service is consuming so much mobile data?

I have reset the mobile data statistic the day before. So these are data incurred within a 24 hour window. I don't understand why the DNS service will consume a disproportionate amount of data. ...
2
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1answer
3k views

macOS, launchctl and dnsmasq for localhost domain spoofing

I am usually a Linux user, but I would like to test my mojolicious webapp on a macOS system. thus, I would like *.test *.*.test and *.*.*.test all to resolve to 127.0.0.1, where my webapp is eagerly ...