Unable to connect over SSL - rundeck
I've configured SSL - When I attempt to connect remotely I get Connection Aborted
When I curl locally I get a 7 byte Binary output.
I thought it might be a TLS/Cipher issue but I confirmed that I was able to locally connect using TLs1.2 adn a cipher that was supported on my remote system.
When I connected remotely I had debug enabled
Remote Resp (I have 500 lines of logs, I think I pulled the relevant lines , happy to share more)
I've added line feeds for readability:
rundeck.log:[2022-10-31T11:23:39,714] DEBUG ssl.SslConnection [qtp1674423837-59] - fill starting handshake SslConnection#2ced3116::SocketChannelEndPoint#36b01040{l=/10.18.64.7:4443,r=/10.18.155.9:26413,ISHUT,fill=-,flush=-,to=8/30000}{io=0/0,kio=0,kro=1}->SslConnection#2ced3116{NOT_HANDSHAKING,eio=0/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=10/30000}=>HttpConnection#18d4ac9[p=HttpParser{s=START,0 of -1},g=HttpGenerator#700897b5{s=START}]=>HttpChannelOverHttp#465a8526{s=HttpChannelState#d305c1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0}
rundeck.log:[2022-10-31T11:23:39,714] DEBUG ssl.SslConnection [qtp1674423837-32] - fill starting handshake SslConnection#4ed75ddd::SocketChannelEndPoint#6affba44{l=/10.18.64.7:4443,r=/10.18.155.9:26407,ISHUT,fill=-,flush=-,to=8/30000}{io=0/0,kio=0,kro=1}->SslConnection#4ed75ddd{NOT_HANDSHAKING,eio=0/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=10/30000}=>HttpConnection#57a0965f[p=HttpParser{s=START,0 of -1},g=HttpGenerator#319bf204{s=START}]=>HttpChannelOverHttp#2bbe12ed{s=HttpChannelState#434babd1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG ssl.SslConnection [qtp1674423837-32] - <fill f=-1 uf=false SslConnection#4ed75ddd::SocketChannelEndPoint#6affba44{l=/10.18.64.7:4443,r=/10.18.155.9:26407,ISHUT,fill=-,flush=-,to=10/30000}{io=0/0,kio=0,kro=1}->SslConnection#4ed75ddd{NOT_HANDSHAKING,eio=-1/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=12/30000}=>HttpConnection#57a0965f[p=HttpParser{s=START,0 of -1},g=HttpGenerator#319bf204{s=START}]=>HttpChannelOverHttp#2bbe12ed{s=HttpChannelState#434babd1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG ssl.SslConnection [qtp1674423837-59] - <fill f=-1 uf=false SslConnection#2ced3116::SocketChannelEndPoint#36b01040{l=/10.18.64.7:4443,r=/10.18.155.9:26413,ISHUT,fill=-,flush=-,to=10/30000}{io=0/0,kio=0,kro=1}->SslConnection#2ced3116{NOT_HANDSHAKING,eio=-1/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=12/30000}=>HttpConnection#18d4ac9[p=HttpParser{s=START,0 of -1},g=HttpGenerator#700897b5{s=START}]=>HttpChannelOverHttp#465a8526{s=HttpChannelState#d305c1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG server.HttpConnection [qtp1674423837-32] - HttpConnection#57a0965f::DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=12/30000} filled -1 HeapByteBuffer#380084ed[p=0,l=0,c=17408,r=0]={<<<>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG server.HttpConnection [qtp1674423837-59] - HttpConnection#18d4ac9::DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=12/30000} filled -1 HeapByteBuffer#21d7ee02[p=0,l=0,c=17408,r=0]={<<<>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG server.HttpConnection [qtp1674423837-32] - HttpConnection#57a0965f::DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=12/30000} parse HeapByteBuffer#380084ed[p=0,l=0,c=17408,r=0]={<<<>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00} {}
rundeck.log:[2022-10-31T11:23:39,716] DEBUG server.HttpConnection [qtp1674423837-59] - HttpConnection#18d4ac9::DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=12/30000} parse HeapByteBuffer#21d7ee02[p=0,l=0,c=17408,r=0]={<<<>>>\x00\x00\x00\x00\x00\x00\x00\x00\x00...\x00\x00\x00\x00\x00\x00\x00} {}
rundeck.log:[2022-10-31T11:23:39,718] DEBUG io.AbstractEndPoint [qtp1674423837-32] - close DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=15/30000}
rundeck.log:[2022-10-31T11:23:39,718] DEBUG io.AbstractEndPoint [qtp1674423837-59] - close DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=15/30000}
rundeck.log:[2022-10-31T11:23:39,718] DEBUG io.AbstractEndPoint [qtp1674423837-32] - close(null) DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,OPEN,fill=-,flush=-,to=15/30000}
rundeck.log:[2022-10-31T11:23:39,718] DEBUG io.AbstractEndPoint [qtp1674423837-59] - close(null) DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,OPEN,fill=-,flush=-,to=15/30000}
rundeck.log:[2022-10-31T11:23:39,718] DEBUG ssl.SslConnection [qtp1674423837-32] - shutdownOutput: SslConnection#4ed75ddd::SocketChannelEndPoint#6affba44{l=/10.18.64.7:4443,r=/10.18.155.9:26407,ISHUT,fill=-,flush=-,to=13/30000}{io=0/0,kio=0,kro=1}->SslConnection#4ed75ddd{NOT_HANDSHAKING,eio=-1/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#2706acc1{l=/10.18.64.7:4443,r=/10.18.155.9:26407,CLOSED,fill=-,flush=-,to=15/30000}=>HttpConnection#57a0965f[p=HttpParser{s=CLOSED,0 of -1},g=HttpGenerator#319bf204{s=START}]=>HttpChannelOverHttp#2bbe12ed{s=HttpChannelState#434babd1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0} oshut=false, ishut=true
rundeck.log:[2022-10-31T11:23:39,718] DEBUG ssl.SslConnection [qtp1674423837-59] - shutdownOutput: SslConnection#2ced3116::SocketChannelEndPoint#36b01040{l=/10.18.64.7:4443,r=/10.18.155.9:26413,ISHUT,fill=-,flush=-,to=13/30000}{io=0/0,kio=0,kro=1}->SslConnection#2ced3116{NOT_HANDSHAKING,eio=-1/-1,di=-1,fill=IDLE,flush=IDLE}~>DecryptedEndPoint#1367423a{l=/10.18.64.7:4443,r=/10.18.155.9:26413,CLOSED,fill=-,flush=-,to=15/30000}=>HttpConnection#18d4ac9[p=HttpParser{s=CLOSED,0 of -1},g=HttpGenerator#700897b5{s=START}]=>HttpChannelOverHttp#465a8526{s=HttpChannelState#d305c1{s=IDLE rs=BLOCKING os=OPEN is=IDLE awp=false se=false i=true al=0},r=0,c=false/false,a=IDLE,uri=null,age=0} oshut=false, ishut=true
Local Curl Req/Resp
curl localhost:4443 -k --output /tmp/curl
^U^C^C^#^B^BP
I tired to connect via ssl, and after hardcoding the "RUNDECK_WITH_SSL flag (even though it said that wasn't needed for RHEL, I seemed to have made an initial connection - but it doesn't display the welcome page
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Losing connection with Net::SSH::Perl
SOLUTION BELOW We have an ETL system that extracts data into a CSV, uploads it to another server, and then needs to connect to the other server and call a java jar to load the csv into memcache. I've got a script that can perform every step of this but loses the SSH connection for the final step. The process on the remote machine continues and completes. I'm using Net::SSH::Perl for this and it receives a "Connection failed: Connection reset by peer" error after running for a short time. I've boiled the script down to this and replicated the results: #!/usr/bin/perl use strict; use Net::SSH::Perl; use Log::Log4perl; my ($stdout, $stderr, $exit, $ssh); $ssh = Net::SSH::Perl->new('sshost', identity_files => ['/path/to/key.rsa'], protocol => 2, debug => 1); $ssh->login('user'); my $cmd = "java -Xms4096m -Xmx4096m -DetlDate=20120427 -DmemcacheHosts=host1,host2 -cp etl-0.1-SNAPSHOT.jar com.nnn.platform.service.etl"; $ssh->register_handler("stdout", sub { my($channel, $buffer) = #_; print "STDOUT: ", $buffer->bytes; }); $ssh->register_handler("stderr", sub { my($channel, $buffer) = #_; print "STDERR: ", $buffer->bytes; }); $ssh->cmd("cd /usr/local/loader; $cmd"); The SSH debug info I get is: localhost: Reading configuration data /home/user/.ssh/config localhost: Reading configuration data /etc/ssh_config localhost: Connecting to sshost, port 22. localhost: Remote protocol version 2.0, remote software version OpenSSH_4.3 localhost: Net::SSH::Perl Version 1.34, protocol version 2.0. localhost: No compat match: OpenSSH_4.3. localhost: Connection established. localhost: Sent key-exchange init (KEXINIT), wait response. localhost: Algorithms, c->s: 3des-cbc hmac-sha1 none localhost: Algorithms, s->c: 3des-cbc hmac-sha1 none localhost: Entering Diffie-Hellman Group 1 key exchange. localhost: Sent DH public key, waiting for reply. localhost: Received host key, type 'ssh-dss'. localhost: Host 'sshost' is known and matches the host key. localhost: Computing shared secret key. localhost: Verifying server signature. localhost: Waiting for NEWKEYS message. localhost: Send NEWKEYS. localhost: Enabling encryption/MAC/compression. localhost: Sending request for user-authentication service. localhost: Service accepted: ssh-userauth. localhost: Trying empty user-authentication request. localhost: Authentication methods that can continue: publickey,gssapi-with-mic. localhost: Next method to try is publickey. localhost: Trying pubkey authentication with key file '/path/to/key.rsa' localhost: Login completed, opening dummy shell channel. localhost: channel 0: new [client-session] localhost: Requesting channel_open for channel 0. localhost: channel 0: open confirm rwindow 0 rmax 32768 localhost: Got channel open confirmation, requesting shell. localhost: Requesting service shell on channel 0. localhost: channel 1: new [client-session] localhost: Requesting channel_open for channel 1. localhost: Entering interactive session. localhost: Sending command: cd /usr/local/loader; java -Xms4096m -Xmx4096m -DetlDate=20120427 -DmemcacheHosts=host1,host2 -cp etl-0.1-SNAPSHOT.jar com.nnn.platform.service.etl localhost: Sending command: cd /usr/local/loader; java -Xms4096m -Xmx4096m -DetlDate=20120427 -DmemcacheHosts=host1,host2 -cp etl-0.1-SNAPSHOT.jar com.nnn.platform.service.etl localhost: Requesting service exec on channel 1. localhost: channel 1: open confirm rwindow 0 rmax 32768 The jar's output is then printed to STDERR and I see it returned. After 9 seconds it stops and I eventually get the connection reset by peer error. The STDERR handler is working as expected. I'm not sure if this is an issue with Net::SSH::Perl handling commands that take awhile to run/return only over STDERR or something more. I've been considering switching to Net::SSH2 as it seems like a fuller featured library, but I'd really like to know why this is failing. SOLUTION The problem was with the output only going to STDERR. I edited my command to add 2>&1 and thereby redirect STDERR to STDOUT and suddenly everything worked as expected.
Net::SSH::Perl is not maintained anymore and has a long list of known unsolved bugs. Nowadays there are better modules available from CPAN as Net::SSH2 or Net::OpenSSH. For instance: my $ssh = Net::OpenSSH->new($sshost, user => $user, key_path => '/path/to/key.rsa'); my ($out, $err) = $ssh->capture2($cmd);
The problem was with the output only going to STDERR. I edited my command to add 2>&1 and thereby redirect STDERR to STDOUT and suddenly everything worked as expected. my $cmd = "java -Xms4096m -Xmx4096m -DetlDate=20120427 -DmemcacheHosts=host1,host2 -cp etl-0.1-SNAPSHOT.jar com.nnn.platform.service.etl 2>&1";