Zhe Weng

Shall we isolate between iptlite(user space) and nflite(kernel space), using ioctl or setsockopt(iptables uses)?

> > @acassis as far as I can tell, the calls to net_unlock() in lines 845 and 893 are not preceded by a call to net_lock(). > > I just...

It is weird that the tutorial doesn't need `CONFIG_NET_ICMP_SOCKET`, the ping command uses `socket(AF_INET,SOCK_DGRAM,IPPROTO_ICMP)` at the very beginning (https://github.com/apache/nuttx-apps/blob/c1ec7db8a9420217365dd7c2ff27b15bb09272e5/system/ping/ping.c#L461), and the `CONFIG_NET_ICMP_SOCKET` is always needed for `IPPROTO_ICMP` socket since it...

Hi @duduita , since 12.1.0, the DNS caching will become invalid after the TTL from the DNS server has expired, then we'll send a new query for the domain names...

> 1. **TCP socket not closing after physical disconnection:** > I discovered that physically disconnecting the network (e.g., unplugging the cable) doesn’t trigger the TCP protocol to detect the disconnection....

@Meissi-jian Do you have any idea about this? I saw you were modifying retransmission these days https://github.com/apache/nuttx/pull/13120

> @xiaoxiang781216 The life cycle of the socket should be managed with file descriptor. If an abnormal exit causes an exception, then the VFS needs to be further enhanced. If...

@zhhyu7 I think we have two ways to fix it, which way do you think is better? 1. Don't allow choosing `icmp->id` as `0`, that is, return a positive number...

> > [@zhhyu7](https://github.com/zhhyu7) I think we have two ways to fix it, which way do you think is better? > > > > 1. Don't allow choosing `icmp->id` as `0`,...

> @wengzhe do you have some idea about this issue? @acassis I'll try to take a look, we haven't tried unbuffered tcp with too much traffic before, because we're always...