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3551
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11
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9
Replies

RV340 - SSL VPN Error

MartinKnude51489
Level 1
Level 1

‎10-18-2019 01:39 AM

 

HI. I can establish SSL VPN connection for my RV340.

 

I get the following errors. 

Anyone would can help me?

 

2019-10-18T09:19:44+01:00 <error>log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.989[743FF470] sslsever_send_data: Error: Incomplete write, -1 of 471 bytes written;

 

2019-10-18T09:19:40+01:00 <error>log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.2370[704B7470] connection_thread: Error accepting SSL connection;

 

2019-10-18T09:19:40+01:00 <error>log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.3146[704B7470] nonblocking_ssl_accept: Peer closed connection during SSL handshake,status:0;

 

2019-10-18T09:19:36+01:00 <error>log_sslvpnac: facility=SslVpn;msg=DEBUG sslvpn_aaa_stubs.c.105[743FF470] sbtg_authorize: ret 0.;

3 people had this problem
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0 Helpful
9 Replies 9

Jo Kern
Cisco Employee
Cisco Employee

‎10-21-2019 05:08 AM

Do you use the Cisco Anyconnect Client ?

0 Helpful

MartinKnude51489
Level 1
Level 1
In response to Jo Kern

‎10-21-2019 05:14 AM

Yes, We use the Any connect client version 3.1.00495
0 Helpful

Jo Kern
Cisco Employee
Cisco Employee
In response to MartinKnude51489

‎11-01-2019 05:05 AM

I need to check, but I believe you need to be on version 4.

Jo

0 Helpful

JanPlachy0816
Level 1
Level 1
In response to Jo Kern

‎11-04-2019 02:42 AM - edited ‎11-04-2019 12:12 PM

Honestly, these failed VPN connection attempts have NO binding to Cisco AnyConnect SW. Sorry Cisco guys, but tell me a reason or evidence what do you have for this opinion.

Based on firewall logs, I can see hundreds of similar attempts per month in times when evidently no VPN connection was initiated from my side. Also, the frequency of these attempts (5-10 within a few seconds) leads to the conclusion that these attempts are 3rd party common scan. As the firewall doesn't log directly the source IP addresses, I can only speculate, that a "number" in brackets is a HEX representation of DEC IP addresses (YY.YY.YY.YY HEX -> XXX.XXX.XXX.XXX DEC). If so, these IP address sources are from China (China Unicom, etc.).

Jo Kern
Cisco Employee
Cisco Employee
In response to JanPlachy0816

‎11-06-2019 07:08 AM

I assume in your case somebody tries to connect to your router.

 

In the case below the SSL VPN feature on the RV340 when enabled allows connection from a client using Cisco Anyconnect Secure Mobility Client. That is the only function it has. Martin asks for help how to make that work.

I understand he tries to connect from his client and gets an error in the RV340.

 

https://community.cisco.com/t5/small-business-technical/tkb-p/4151-docs-small-business-tech-docs

 

Best

Jo

0 Helpful

ChrisJohnsen26381
Level 1
Level 1
In response to Jo Kern

‎11-25-2019 04:49 AM

Looking at the documents you reference here, I cannot find where you address the specific errors mentioned in this thread.  

Any help with these error messages?  I have 2 VPN clients and we keep losing connection.  I believe these errors are related to this and need help diagnosing them.

PaulRobertson0477
Level 1
Level 1
In response to Jo Kern

‎05-01-2023 07:26 AM

It seems that I replied to the wrong person below... please have a look...

Our RV340 has the latest firmware and we are using the latest AnyConnect version, but I have to reboot the router every 3 or 4 days because all AnyConnect clients keep getting dropped. I keep seeing this error "

<emergency>log_sslvpnac: facility=SslVpn;msg=FATAL sslserver.c.2489[73F79470] sslserver_thread: Error accepting connection" and then this error "

<emergency>log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 38001 times, supressed by syslog-ng on router0D906C"

38001 attempts is an issue that concerns me. This has been happening for at least a year and through at least one firmware update (Version 1.0.03.29 was applied on 2022-Nov-17). We now have 10 to 15 people working remotely 3 days per week and it is frustrating.

0 Helpful

PaulRobertson0477
Level 1
Level 1

‎05-01-2023 07:25 AM

Our RV340 has the latest firmware and we are using the latest AnyConnect version, but I have to reboot the router every 3 or 4 days because all AnyConnect clients keep getting dropped. I keep seeing this error "

<emergency>log_sslvpnac: facility=SslVpn;msg=FATAL sslserver.c.2489[73F79470] sslserver_thread: Error accepting connection" and then this error "

<emergency>log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 38001 times, supressed by syslog-ng on router0D906C"

38001 attempts is an issue that concerns me. This has been happening for at least a year and through at least one firmware update (Version 1.0.03.29 was applied on 2022-Nov-17). We now have 10 to 15 people working remotely 3 days per week and it is frustrating.

0 Helpful

Majkiel
Level 1
Level 1

‎07-16-2024 03:29 AM

Hi,

I have same issue. About 10 people working remotely and have issue to connect to the VPN gate. On the router RV340 I can see bellow errors:

2024-Jul-16, 11:13:11 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.3347[74F80470] nonblocking_ssl_write: Inactive sslserver connection context 0x0019BD18;
2024-Jul-16, 11:13:11 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.3390[74F80470] nonblocking_ssl_write: Invalid sslserver connection context 0x0019BD18;
2024-Jul-16, 10:57:12 CET
error
ssl-vpn
log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 2 times, supressed by syslog-ng on ...
2024-Jul-16, 10:51:22 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=DEBUG sslvpn_aaa_stubs.c.105[74780470] sbtg_authorize: ret 0.;
2024-Jul-16, 10:49:55 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.2382[6E4B7470] connection_thread: Error accepting SSL connection;
2024-Jul-16, 10:49:55 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.3162[6E4B7470] nonblocking_ssl_accept: Unexpected error during SSL handshake,status:-1;
2024-Jul-16, 10:49:53 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=DEBUG sslvpn_aaa_stubs.c.105[74780470] sbtg_authorize: ret 0.;
2024-Jul-16, 10:44:17 CET
error
ssl-vpn
log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 2 times, supressed by syslog-ng on ...
2024-Jul-16, 10:38:31 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=DEBUG sslvpn_aaa_stubs.c.105[74780470] sbtg_authorize: ret 0.;
2024-Jul-16, 10:38:31 CET
error
ssl-vpn
log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 1 times, supressed by syslog-ng on ...
2024-Jul-16, 10:38:08 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslvpn_cookie.c.615[74780470] gw cookie authenticate failed;
2024-Jul-16, 10:38:03 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=DEBUG sslvpn_aaa_stubs.c.105[74780470] sbtg_authorize: ret 0.;
2024-Jul-16, 10:38:03 CET
error
ssl-vpn
log_sslvpnac: Last message 'facility=SslVpn;msg=' repeated 1 times, supressed by syslog-ng on ...
2024-Jul-16, 10:37:59 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslvpn_cookie.c.615[74780470] gw cookie authenticate failed;
2024-Jul-16, 10:37:42 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.2382[704B7470] connection_thread: Error accepting SSL connection;
2024-Jul-16, 10:37:42 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslserver.c.3162[704B7470] nonblocking_ssl_accept: Unexpected error during SSL handshake,status:0;
2024-Jul-16, 10:37:38 CET
error
ssl-vpn
log_sslvpnac: facility=SslVpn;msg=ERROR sslvpn_cookie.c.615[74780470] gw cookie authenticate failed;
 
 
It is frustrating, I have to reboot router 2-3 times a day. Could you please fix this issue. Router have support to end of 2026.
 
0 Helpful
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