Forum Discussion
smp_86112
Cirrostratus
Sep 15, 2009b conn protocol syntax
I have LTMs running 9.3.1. I have reached my SSL transaction limint, and was using the b conn command to identify all the clients who are connected to HTTPS VIPs. Reading the b conn help, I see this:
protocol may be specified by number or name (http, or 80).
But the command
b conn protocol 443 fails.
[root@ltm:Active] ~ b conn protocol https
BIGpipe: 010a0037:3: The requested protocol name (https) is invalid.
Obviously I can grep for ':443 ' and do some massaging, but it seems this should be pretty straightforward output from b conn.
7 Replies
- hoolio
Cirrostratus
In 9.3.1, this seems to work:
b conn protocol 80 show
No connections were found.
Also, in 10, the help shows:
protocol
Specifies the protocol used for specified connections (for exam-
ple: tcp, udp, and other L4 protocols).
And it works with tcp, udp or icmp:
b conn any protocol tcp show
1.1.1.20:1536 <-> 2.2.2.3 <-> 2.2.2.3:443 6 1/1
1.1.1.20:1577 <-> 2.2.2.3 <-> 2.2.2.3:443 6 1/0
1.1.1.20:1617 <-> 2.2.2.3 <-> 2.2.2.3:443 6 1/0
1.1.1.20:2305 <-> 2.2.2.3 <-> 2.2.2.3:22 6 1/1
b conn any protocol udp show
No Conns were found.
b conn any protocol icmp show
2.2.1.3:12141 <-> any%65535 <-> 2.2.0.21:8 1 1/1
2.2.1.3:55704 <-> any%65535 <-> 2.2.0.21:8 1 1/0
2.2.1.3:60203 <-> any%65535 <-> 2.2.0.21:8 1 1/1
2.2.2.3:20898 <-> any%65535 <-> 74.125.45.100:8 1 1/0
2.2.2.3:48522 <-> any%65535 <-> 74.125.45.100:8 1 1/0
b conn protocol 80 show
No Conns were found.
Aaron - smp_86112
Cirrostratus
The ones that work for me are protocol 80, tcp, udp, and icmp. Everything else fails:
root@ltm:Active] ~ b conn protocol 80 show
No connections were found.
[root@ltm:Active] ~ b conn protocol http show
BIGpipe: 010a0037:3: The requested protocol name (http) is invalid.
[root@ltm:Active] ~ b conn protocol 443 show
BIGpipe: 010a0049:3: The requested protocol number (443) is invalid.
[root@ltm:Active] ~ b conn protocol https show
BIGpipe: 010a0037:3: The requested protocol name (https) is invalid.
[root@ltm:Active] ~ b conn protocol https show
But I keep going back to this:
protocol may be specified by number or name (http, or 80).
Seems to me like at least this should work since it is explicitly mentioned in the help:
[root@ltm:Active] ~ b conn protocol http show
BIGpipe: 010a0037:3: The requested protocol name (http) is invalid. - hoolio
Cirrostratus
Ah... sorry, I missed that. It seems like a bug if 80 works but http or 443 don't. You could open a case with F5 Support to report the issue.
Service numbers seem to work on 10.0.1, but there are some odd results for 9.3.1:
[root@bigip931:Active] ~ b conn protocol icmp
No connections were found.
[root@bigip931:Active] ~ b conn protocol 80
No connections were found.
[root@bigip931:Active] ~ b conn protocol 25
No connections were found.
[root@bigip931:Active] ~ b conn protocol 443
BIGpipe: 010a0049:3: The requested protocol number (443) is invalid.
[root@bigip931:Active] ~ b conn protocol smtp
BIGpipe: 010a0037:3: The requested protocol name (smtp) is invalid.
Aaron - spark_86682Historic F5 AccountThe problem here is that there is confusion between protocols and port numbers. ICMP, TCP, and UDP are protocols (see http://www.iana.org/assignments/protocol-numbers/ for the complete list and their associated numbers). In the given context, http, smtp, 443, 25, and 80 are ports, not protocols.
I note that the documentation ("b conn help") is already fixed in later versions. - smp_86112
Cirrostratus
I understand the distinction you are making, and it is a good and valid one. If that is indeed the case why, it is a pretty frustrating error to see in the doc.
Is there any way to answer the question of what clients are connected to any HTTPS VIP without writing something myself to massage the connection table output? - hoolio
Cirrostratus
Ah, I was assuming that I was getting the "No Conns|connections were found" message because the command was valid but there weren't any port 80 connections in the connection table. But now testing with active HTTP connections, 'b conn protocol 80' still returns the no connections found message. As you said, 'b conn protocol' is expecting the protocol number, not the port number.
That makes a bit more sense now after your explanation. Thanks for clarifying.
Aaron - spark_86682Historic F5 AccountIf by https you mean port 443, then "b conn server any:443" should do the trick.
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