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ARP Packet Capture in iOS

Hi, I was trying to capture ARP traffic from my iphone, I created a virtual interface using rvictl tool - rvi0. However, the packet captures on Wireshark tool for rvi0 interface do not show any ARP packets. Why is this happening? I used the tcpdump command - tcpdump -n -t -i rvi0 -q arp, while I was able to see some request packets, the response packets were not visible, why is this happening? Is there some other mechanism to capture ARP traffic from iphone? Can third-party apps capture arp traffic/arp table using any Apple API?
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by iOSDev1601.
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2 Replies
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NEHotspotHelper - multiple access points connect scenario

Hi, I have a question regarding NEHotspotHelper, I understand that as soon as the user tries to connect to a new network, We get an Evaluate command and the hotspot helper app has 45 seconds to deliver a response for it. Referring to [this](Authentication State Machine (apple.com)) document. I wanted to understand, if the user tries changing the access points frequently like first start connecting to one access point, then second so on, are the evaluate commands for these added in the hotspot queue (the one that we register our app with) one after another or does the system wait for the delivering of the response for 1 access point?
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by iOSDev1601.
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3 Replies
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File Protection level in iOS

Hi, I wanted to know what level of NSFileProtection is provided by default in iOS in the user's documents directory of application container. Basically, if I am creating a file in this location - NSArray *documentPaths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); What level of protection among NSFileProtectionType is provided? `
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by iOSDev1601.
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3 Replies
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Changing the VPN Configuration

When we install a VPN configuration on the device, we set some configuration parameters like OnDemandRules, serverAddress, providerBundleIdentifier etc. in the protocol configuration of the VPNManager and then save that in the Network Extension Preferences. If we want to change those parameters later, like change the serverAddress, how can we do that? Can these parameters be changed in the PacketTunnelProvider class?
Posted
by iOSDev1601.
Last updated
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