![]() Verify AirPrint Worksįrom a Linux box on one of the two above interface subnets, you can run avahi-browse -a -v -r to see what services are out there on the LANs. In step 4 below, you can leave this blank to rebroadcast (or reflect) all services, but using dig I’ve found that _ipp._tcp.local is the service name for the IPP (IP Printing) or AirPrint service. Head to pfSense’s Services > Avahi and select the interfaces to “bridge” which connect to the iPhone and the Windows machine. Enable Avahi’s Multi-Interface Bonjour Rebroadcast Too many devices make Bonjour or mDNS broadcasts so we can go with the flow. As for the source of packets to Bonjour on 5353, this can be restricted or set to any. I have an alias for Trusted_wireless of the IPs of the devices I allow to access the printer. We might as well set the IPP/AirPrint rule while we are here. Here are the rules: pfSense Bonjour firewall rules I still have IPv6 disabled globally, but allow IPv6 on UDP port 5353. I have experimented with IPv6 completely disabled and blocked: AirPrint will work, but it takes eons for the IPv6 packets to time out and fall back to IPv4 and find the printer. It turns out that link-local addresses need to be IPv6 enabled and Bonjour uses IPv6. I’ve added Floating rules because they supersede any LAN or VLAN rules, as well as default Deny rules such as “Deny IPv6”. Please make sure the path of airprint.exe is correct, but it is should be by default. Security: What is hex(2):43,00.? I’ll tell you: Stripping off every second pair of 00 leaves us with 433a5c50726f677261 … 73616c202d73 which converted from hex to ASCII gives us just an image path to:Ĭ:\Program Files (x86)\AirPrint\airprint.exe -R _ipp._tcp,_universal -s Install the AirPrint serviceįYI, there isn’t much on the Exploit DB for Elpamsoft, AirPrint, or Bonjour, so rest easier: Exploit DB entry for Bonjour The Bonjour driver and this software are from 2010 and who knows if there is an exploit under Guest or with a blank password. Install with Windows User Authentication. Who knows? This is a free and effective AirPrint driver certainly do not get roped into a monthly AirPrint software subscription that includes ink discounts!Ĭonfirm the security details match these as this piece of software was also released in 2010 and should not have changed. I imagine there is some trademark issue on AirPrint, or one of the paid AirPrint drivers bought their IP. The Elpamsoft homepage does not have a download link anymore, but you can search around for some mirror. I Googled around and most people seem to like this free software from Elpamsoft, so I gave that a try and it works (mostly) great. ![]() Install a 3rd-Party, Port 631 IPP AirPrint Service Daemon Download like so: Install Bonjour for Windows It was last updated in 2010 so let’s hope it still works in a year or so as well. Google “apple bonjour windows” and install the Bonjour Print Services for Windows. Since that heavy, everything-altering software is not installed, we need to install Apple’s Bonjour “zero-config” mDNS broadcast service in the Windows machine that has the USB printer to announce to the subnets that there is a printer. I won’t install iTunes on my Windows machine. Enable sharing like so: Enable Windows USB printer sharing 3. Sidestep that roadblock nicely: Install the Avahi daemon in pfSense 2. This allows mDNS/Bonjour broadcasts to 224.0.0.0:5353 and ff02::fb to be repeated across all participating subnets which is normally not allowed by the 2003 Bonjour protocol specification. Open up pfSense and head to System > Package Manager. This is a guide for me because it took too much trial and error to get right and I’m in danger of forgetting what finally worked. ![]() This guide is a reminder of what I did to get AirPrint on Windows working in 2022. No need to get a WiFi printer or a WiFi print server or an AirPort add-on from Apple. It uses a Microsoft print driver, and it just works. I’m using a simple laser printer bought in 2022 but made in 2015 for some reason. Using a USB laser printer that just works 1 I’d like to print Chrome web pages and other documents from my iPhone on one subnet to my shared Windows printer on a different, more secure subnet. Goal: I’d like to print documents and web pages from my iPhone to my USB-wired printer on a Windows machine across two subnets. ![]()
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