start > CentOS > 6 > ssh > slow ssh connections
slow ssh connections
(26 October 2012)
Problem
When I ssh login to a CentOS 6 system, it always takes around 30 second to log in.Solution
CentOS 6 has enabled the reverse-DNS name lookup of IPs by default. To disable in /etc/ssh/sshd_config, set:useDNS no
no comments |
post comment
Virtual Dave Megaplex:
Home Page- This wiki's start page
- Send Feedback To Dave
Logged in Users: (0)
Recently Changed
Strip Comments And Whitespace From Config Files- Firewalld Limit Remote Source Connections
- List DHCP Clients CLI
- arp
- Time In Seconds
- Ping Stats Without Quitting
- FortiOS LLDP
- Dealing With Disk Full
- Useful sed
- Debug Site to Site VPN
- Packet Dumps
- System Version from CLI
- Transactional File Locking
- Net-SNMP Disk Check OID Table
- NSSU Warning
- Default route not working
- SSH PubKey Login
- SSH PubKey Login
- RTC Power Status Failed
- System Time
- Client DNS failover behavior
- firewalld
- find
- Cluster Status
- CAA
- Example nmcli Commands
- Windows DDNS Update from Windows DHCP
- snmpd child scripts
- syslog
- Virtual Chassis Setup
Editing: snipsnap-help, Image Macro(Et auditum est, et idcirco ego nunc simulare)
This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.