启动squid的时候提示 Failed ，FATAL: No port defined

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启动的时候提示：
[#47#root@master ~]#/etc/init.d/squid start
Starting squid: ....................                       [FAILED]
[#51#root@master ~]#squid -kcheck
squid: ERROR: No running copy

查看错误日志：
[#48#root@master ~]#cat /var/log/squid/cache.log
2016/03/09 09:28:15| Starting Squid Cache version 3.1.23 for x86_64-redhat-linux-gnu...
2016/03/09 09:28:15| Process ID 2813
2016/03/09 09:28:15| With 1024 file descriptors available
2016/03/09 09:28:15| Initializing IP Cache...
2016/03/09 09:28:15| DNS Socket created at [::], FD 7
2016/03/09 09:28:15| DNS Socket created at 0.0.0.0, FD 8
2016/03/09 09:28:15| Adding domain localdomain from /etc/resolv.conf
2016/03/09 09:28:15| Adding domain localdomain from /etc/resolv.conf
2016/03/09 09:28:15| Adding nameserver 192.168.1.1 from /etc/resolv.conf
2016/03/09 09:28:15| Adding nameserver 8.8.8.8 from /etc/resolv.conf
2016/03/09 09:28:15| Adding nameserver 192.168.73.2 from /etc/resolv.conf
2016/03/09 09:28:15| User-Agent logging is disabled.
2016/03/09 09:28:15| Referer logging is disabled.
2016/03/09 09:28:15| Unlinkd pipe opened on FD 13
2016/03/09 09:28:15| Local cache digest enabled; rebuild/rewrite every 3600/3600 sec
2016/03/09 09:28:15| Store logging disabled
2016/03/09 09:28:15| Swap maxSize 102400 + 28672 KB, estimated 10082 objects
2016/03/09 09:28:15| Target number of buckets: 504
2016/03/09 09:28:15| Using 8192 Store buckets
2016/03/09 09:28:15| Max Mem  size: 28672 KB
2016/03/09 09:28:15| Max Swap size: 102400 KB
2016/03/09 09:28:15| Version 1 of swap file with LFS support detected...
2016/03/09 09:28:15| Rebuilding storage in /var/spool/squid (DIRTY)
2016/03/09 09:28:15| Using Least Load store dir selection
2016/03/09 09:28:15| Set Current Directory to /var/spool/squid
FATAL: No port defined    # 此处提示未指定端口
Squid Cache (Version 3.1.23): Terminated abnormally.
CPU Usage: 0.040 seconds = 0.022 user + 0.018 sys
Maximum Resident Size: 39408 KB
Page faults with physical i/o: 0
Memory usage for squid via mallinfo():
        total space in arena:    2952 KB
        Ordinary blocks:         2933 KB     12 blks
        Small blocks:               0 KB      1 blks
        Holding blocks:          1104 KB      4 blks
        Free Small blocks:          0 KB
        Free Ordinary blocks:      18 KB
        Total in use:            4037 KB 137%
        Total free:                18 KB 1%
提示：没有指定端口。
[#54#root@master ~]#vim /etc/squid/squid.conf
# Squid normally  listens  to  port  3128
http_port 3128   #squid端口没有打开是因为之前做过实验改为了80，就把这个给注销掉了80端口也                     是可以的但是80端口此时也是注销状态所以才会无法启动。
#http_port 80 accel vhost vport

[#51#root@master ~]#squid -kcheck

squid: ERROR: No running copy       # 此提示无意义，是因为没有启动起来

[#52#root@master ~]#/etc/init.d/squid start        
Starting squid: .                                          [  OK  ]
[#53#root@master ~]#squid -kcheck                 # 正常启动后它也消失了。