Internet Protocol addressing, used to communicate between networked computers

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8
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1answer
453 views

How to get the geolocation of an IP address in Terminal?

Is it possible to get the geolocation of an IP address in Terminal? Not sure what the numbers in an IP address mean, but there must be some logic behind it, so lookup can't be that hard.
0
votes
3answers
3k views

Time Capsule (3rd Gen) seems to deny internet access to clients with a static IP address

A bit of background on our: we have an Apple Time Capsule, 3rd generation, connecting to the internet through a cable modem (WAN IP is configured via DHCP). As we can't get a signal across the house, ...
1
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0answers
968 views

Time Capsule multiple IP addresses

I have two 2TB Time Capsules attached to a network through a Netgear router. Each Time Capsule is connected via Ethernet with the WiFi set to "off". Each Time Capsule is assigned a unique static IP ...
1
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2answers
86 views

OS X Server DNS, on local network redirect external IP to internal IP

I want it to be so that, when I attempt to visit my server at 94.xx.xx.xx, it will automatically redirect me to the internal address 192.xx.xx.xx, when doing so from the local network. Can this be ...
-1
votes
1answer
30 views

Which short command to only output the IPv4 routing table?

$ netstat -nr is great for outputting the Mac OS X IP routing tables. However its output is long as it contains both IPv4 and IP6 routing tables. Sometimes I wish to output only the IPv4 routing ...
1
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2answers
19 views

Which command to only output the IPv6 routing table?

$ netstat -nr is great for outputting the Mac OS X IP routing tables. However its output is long as it contains both IPv4 and IP6 routing tables. Sometimes I wish to output only the IPv6 routing ...
1
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0answers
8 views

How to find the IP of a device connected through Ethernet Sharing [duplicate]

I often share my MacBook Pro's Ethernet connection with devices like a Raspberry Pi to log in via SSH and configure files without using a screen, keyboard, etc. My current method to find the IP is ...
0
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0answers
18 views

How do I deny connections with an IP range?

Does anyone know a way to deny incoming and outgoing connections with the IP range 200.200.200.1 – 200.200.200.255 directly into the OS X without using Little Snitch (or any other third party ...
2
votes
1answer
583 views

What is the modern way to do port-forwarding on El Capitan? (forward port 80 to 8080)

The old utility ipfw was discouraged in recent versions of Mac OS X and is now gone from El Capitan. What is the modern way to do port forwarding in El Capitan? I simply want port 80 to forward to ...
10
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2answers
2k views

Is there a OS X equivalent for iproute2?

I am searching a command line tool collection like iproute2 on Linux. Network Utility is OK, but I would like it on the command line.
0
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0answers
54 views

Set Static IP address of local Interfaces in Mac OS X with Unix Script

I need little help regarding the setting of the static IPs and net masks of the various interfaces. I have a Mac client which has two physical interfaces. One interface is used for the "house ...
1
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0answers
742 views

Can I turn off IPv6 and just use IPv4 on my iOS device?

I'm trying to use TeamViewer but have a problem when trying to access the network with IPv6 via GSM. Can I somehow turn off IPv6 and use only IPv4? I am using an iPhone 6 Plus with iOS 8.3.
0
votes
2answers
686 views

Self assigned IP address

I've done a clean install of OS X El Capitan recently, and everything worked fine. But as I came home, I couldn't connect to Wi-Fi. It states that it has a self-assigned IP address and will not ...
1
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3answers
141 views

Terminal command to return network class

I'm trying to construct myself a primitive network scanner, and I understand that there are multiple network classes and it has become necessary for my program to determine exactly what class of ...
1
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1answer
104 views

How to configure a MacBook so that it keeps a static IP-address when disconnected?

I have a client/server software that uses IP to communicate. It happens that both client and server is located at the same MacBook, and when I travel I disconnect it from the IP network, making it ...
0
votes
1answer
32 views

How to propagate Wi-Fi packets to other interfaces on a router

I have two computers connected to an ethernet/wifi dlink router: Laptop: Connected via Wi-Fi Desktop: Connected via ethernet My understanding is that the desktop computer will never see any packets ...
3
votes
7answers
5k views

How can I find my IP address - not my company's router, but my local machines

I run rails servers at ports 3000 and 5000. What do I use (or how do I find) the IP address of my Mac? Not the one used for web browsing which is my companies host supplied IP but rather my local ...
0
votes
1answer
524 views

App to display IP address in menu bar?

I deal with a lot of external servers where the firewall must be configured to allow SSH access. I frequently need to know my external IP address, and it changes often. Does anyone know of an ...
8
votes
1answer
2k views

How to configure a static IP for a specific access point on OS X?

I own a MacBook Pro and always used Ubuntu in the past. In Ubuntu, I was able to configure my IP, DNS, Gateway, for a specific access point. There was a list of all the access points, each one with ...
1
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3answers
3k views

Can't access certain websites

I'm trying to access the site http://www.svenskadomaner.se but it's unreachable from my MacBook Pro (OSX 10.8.5). The domain belongs to a web hosting company and it's not only this specific site I ...
0
votes
1answer
42 views

OS X - List all active sockets

I'm looking for a simple command that will list ALL currently active and/or otherwise bound TCP & UDP sockets, corresponding port numbers and their respective states (i.e. ESTABLISHED, LISTEN, ...
3
votes
1answer
4k views

MacOS X - iptables?

Where is iptables in MacOS X? I'm running Yosemite 10.10.5 (14F27) and it seems to be missing. If it's not actually native to OS X, what's the best way to install it for this operating system? If for ...
0
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0answers
61 views

iOS manage static IP settings

Anybody know of built-in iOS functionality or app that can help store static IP settings? I'd like to be able to switch between DHCP and static IP settings without having to type settings every time I ...
3
votes
1answer
453 views

Does using an app send my IP address and device identification info to the app maker?

if I use an app, would I be giving info like my IP address and device identification like the MAC address to the app developer/owner?
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1answer
248 views

Is there a way to ask the Airport Extreme what it's external IP is via terminal?

Finally realized that my ISP was carriage natting me, and my router's ip is really on the ISPs network and not externally facing. =( My ISP Is doing something that is thwarting my ability to get my ...
0
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0answers
120 views

How to broadcast video from IP camera with private IP address

I have a situation, I have IP cameras in different locations, these cameras are connected to small webservers with private IP SIM cards (VPN sim cards), if I am connected to the VPN, I can access ...
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0answers
101 views

How to make shared printing works on Yosemite within an IPv4 only network?

Network landscape My network is made through Internet Sharing from a Mac: Bob hosting an USB printer: Clara. On this home network is a Mac: Alice which is usually printing on Clara through Bob. ...
2
votes
1answer
40k views

How to configure Static IP on iPhone

I Want to use wifi on my iphone, Anybody can help me. I am already using my laptop on the same network through static IP. Please also tell me that Mac address will be used in this situation. The ...
2
votes
0answers
56 views

Limiting TCP connections

How can I limit TCP connections on Mac using Terminal? I used iptables on Linux (eOS) to limit the connections of an application (Ace Stream Player) as follows: $iptables -A OUTPUT -m limit --limit ...
31
votes
6answers
94k views

How do I find my IP Address from the command line?

I know you can do ifconfig | grep inet, but that shows you several IPv4 addresses. How do I get the specific one for SSHing et al?
0
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0answers
82 views

Transparently forwarding across private IP network boundaries

I have an OpenVPN vpn on OS X Yosemite which creates a utun0 device with an address on the 10.0.0.0/8 private network. I map our internal service hostnames to addresses on this network in /etc/hosts. ...
0
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0answers
21 views

IP address assignment issue [duplicate]

The problem is that I have a Macbook that keeps telling me another computer is using it's IP address. I normally don't have a problem with this as I'd either restart the computer, or router and it ...
0
votes
1answer
479 views

What is the IP address of my iphone when my computer is connected to the internet using that iphone's personal hotspot?

I have this program on my mac that streams my gps location over the private network. When on the road, my program needs an internet connection as well as the gps data, so I need to pair to my iphone ...
6
votes
4answers
370 views

Figuring out what IP's and Ports a program is accessing

I play poker semi-professionally online and live. When I play online I have a hard time limiting the amount of time I play. There is a free application I found called self-control. It allows you to ...
0
votes
2answers
325 views

Route command to use wildcard

I have a bunch of routes to my LAN line that won't resolve through my WiFi (which is set as 1st order). sudo route add 10.999.999.999 10.888.888.888 I have a lot more but that's just a sample. This ...
1
vote
2answers
7k views

Self-Assigned IP on Ethernet (en0)

Past few days my internet has been automatically getting a Self-Assigned IP on en0. I heard it does this when it can't retrieve a DHCP Server from the ISP. I've tried these solutions below. ...
4
votes
2answers
85k views

Another device is using your IP address mac, what do I change my IP address too?

Our internet router often stops working at home, but for the the second time only I have got a pop-up error saying: "another device is using your ip address". We have an iPhone and a Macbook but ...
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2answers
64 views

working on a remote Mac

How can I log on remotely from my Macbook Pro to a friend's iMac so as to share her screen, and help her fix things when she has problems? My own knowledge is not very profound, so please bear that in ...
0
votes
1answer
1k views

Time Capsule Generating it's own IP Address?

Installed a new cable modem. Connected my iMac directly to the new modem and, as expected, got a new IP address. However, after I connected my Time Capsule to the modem so I could do everything ...
1
vote
1answer
14k views

How do I set up IPv6 on my Airport Extreme?

I am trying to set up IPv6 on my Airport Extreme. According to AT&T / BellSouth, my network is IPv6 ready. Network Setup I currently have two parts to my network setup. Westell Model 6200 ...
15
votes
5answers
44k views

How to find IP address of my other Mac?

I have two Macs on the same network, both plugged into my internet router. I have screen-sharing set up on one of them, so I can connect to it using command-K in the Finder with a vnc:// URL, and ...
0
votes
1answer
137 views

Ping all the ip range of a local network

It is possible to reproduce the task via terminal as Angry IP Scanner does, i.e. scan all the subnet?
5
votes
2answers
4k views

Thunderbolt Displays' ethernet adapter breaks MacBook DHCP/MAC Address reservations

We have deployed Thunderbolt Displays in my organization, which is almost entirely Mac-based. As you may already know, Thunderbolt Displays have internal Ethernet adapters which is very convenient in ...
0
votes
1answer
52 views

I want to know IP address [closed]

I want to know IP address of my friend .It's possible without software? Could you tell me what I do and how to do
3
votes
1answer
200 views

Multiple IP addresses in Safari

Is it possible to choose which IP address will be used to browse the web? I am connected to a VPN which created tun interface with different IP addres so now I have two of them. I would also like to ...
3
votes
1answer
103 views

Unable to Perform Name Resolution

My MacBook Pro, for some reason, detects the wireless connection, but I cannot go to a web page using Safari. I can open the iTunes Store, but cannot access my email. I ran the Network Assistant and ...
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0answers
143 views

Applying Filtering on NAT'd Packets NetBSD (pf.conf)

Is there a way to filter packets after applying NAT? What I am trying to do: Apply NAT to packets going to some host, but block packets with a specific port. I have tried a few things but nothing is ...
2
votes
1answer
1k views

why does my iMac has two IP addresses registered?

I have been doing network ping discovery on a WiFi-LAN and one of my iMac has two IP addresses, and I cannot understand why would that be. the only connection to the LAN is via Wifi, there is no file ...
14
votes
1answer
39k views

How do you get a printer's IP in lion?

How did you find out an existing printer's IP in lion? In Snow Leopard you can do it in this way: Open System Preferences Select the printer that you want to find the IP for Click 'Options & ...
2
votes
1answer
18k views

How to Assign Static IP Address to iPad?

I have been having a problem with the wifi connection on my iPad. After much research online, I have narrowed it down to an ip address lease renewal bug. The iPad drops connection when the ip address ...