Internet Protocol addressing, used to communicate between networked computers

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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, ...
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1answer
92 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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1answer
135 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 ...
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209 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 ...
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223 views

kernel.log contains thousands of messages about ip_len checksum. What gives?

My Mac Pro Cyrus (running 10.6.8 in 64 bit mode) keeps writing the same message (for different lengths) to the kernel.log file every second: cyrus kernel[0]: in_delayed_cksum_offset: ip_len 36608 ...
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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 ...
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0answers
591 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 ...
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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. ...
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Forwarding IP address on Yosemite

I've been trying to redirect ip address 1.2.3.4 to 5.6.7.8 using IceFloor and PF rules. I have tried the following: rdr from any to 1.2.3.4 -> 5.6.7.8 This does not make a difference and ...
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Setting up a private network with macs

I want to run 12 imacs through a network. And also have wifi available for people to use their own devices. At the moment I have the modem connected to the VPN box, then the vpn box connected to the ...
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Set DSCP/TOS IPv4 header for certain packets

I'm trying to set the value of the DSCP/TOS field for certain outgoing packets (for example all ACK packets) for all applications. I've looked through the pfctl/pfconf.org and ipfw docs/manpages but ...