suddenly connect to server error: connection write timeout about frp HOT 5 CLOSED

openssl s_client -connect x.x.x.x:7000

Hi @xqzr ,

Thanks! I run your command and get the output. Please see below and help me to solve the problem.

CONNECTED(00000003)
depth=0 
verify error:num=18:self signed certificate
verify return:1
depth=0 
verify error:num=13:format error in certificate's notBefore field
notBefore=Jan  1 00:00:00 1 GMT
verify return:1
depth=0 
verify error:num=14:format error in certificate's notAfter field
notAfter=Jan  1 00:00:00 1 GMT
verify return:1
depth=0 
notAfter=Jan  1 00:00:00 1 GMT
verify return:1
---
Certificate chain
 0 s:
   i:
---
Server certificate
-----BEGIN CERTIFICATE-----

-----END CERTIFICATE-----
subject=
issuer=
---
No client certificate CA names sent
Server Temp Key: ECDH, X25519, 253 bits
---
SSL handshake has read 1221 bytes and written 289 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    ....
    Start Time: 1712218494
    Timeout   : 7200 (sec)
    Verify return code: 14 (format error in certificate's notAfter field)
---

连接没有问题。
可能是 你所在的网络，对 TLS 存在过滤

from frp.

openssl s_client -connect x.x.x.x:7000

from frp.

openssl s_client -connect x.x.x.x:7000

Hi @xqzr ,

Thanks! I run your command and get the output. Please see below and help me to solve the problem.

CONNECTED(00000003)
depth=0 
verify error:num=18:self signed certificate
verify return:1
depth=0 
verify error:num=13:format error in certificate's notBefore field
notBefore=Jan  1 00:00:00 1 GMT
verify return:1
depth=0 
verify error:num=14:format error in certificate's notAfter field
notAfter=Jan  1 00:00:00 1 GMT
verify return:1
depth=0 
notAfter=Jan  1 00:00:00 1 GMT
verify return:1
---
Certificate chain
 0 s:
   i:
---
Server certificate
-----BEGIN CERTIFICATE-----

-----END CERTIFICATE-----
subject=
issuer=
---
No client certificate CA names sent
Server Temp Key: ECDH, X25519, 253 bits
---
SSL handshake has read 1221 bytes and written 289 bytes
---
New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES128-GCM-SHA256
Server public key is 2048 bit
Secure Renegotiation IS supported
Compression: NONE
Expansion: NONE
No ALPN negotiated
SSL-Session:
    Protocol  : TLSv1.2
    ....
    Start Time: 1712218494
    Timeout   : 7200 (sec)
    Verify return code: 14 (format error in certificate's notAfter field)
---

from frp.

Add the following setting to frpc solve the error

transport.tls.enable = false

from frp.

Issues go stale after 21d of inactivity. Stale issues rot after an additional 7d of inactivity and eventually close.

from frp.