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linux_wiki:network_services_overview_smtp [2016/09/28 22:38] billdozor created |
linux_wiki:network_services_overview_smtp [2019/05/25 23:50] (current) |
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| **General Information** | **General Information** | ||
| - | This page covers the Network Services objectives, specifically for < | + | This page covers the Network Services objectives, specifically for SMTP. |
| **Network Services Objectives** | **Network Services Objectives** | ||
| Line 12: | Line 12: | ||
| * Configure the service for basic operation | * Configure the service for basic operation | ||
| * Configure host-based and user-based security for the service | * Configure host-based and user-based security for the service | ||
| + | |||
| + | ---- | ||
| + | |||
| + | ====== Lab Setup ====== | ||
| + | |||
| + | The following virtual machines will be used: | ||
| + | * server1.example.com (192.168.1.150) -> Configure SMTP null client (**on the exam**) | ||
| + | * server2.example.com (192.168.1.151) -> Configure central mail server for client testing (**NOT on the exam**) | ||
| ---- | ---- | ||
| Line 19: | Line 27: | ||
| Install the service | Install the service | ||
| <code bash> | <code bash> | ||
| - | yum install | + | yum install |
| </ | </ | ||
| Line 42: | Line 50: | ||
| Check Current Service Status | Check Current Service Status | ||
| <code bash> | <code bash> | ||
| - | systemctl status | + | systemctl status |
| </ | </ | ||
| * Also displays if the service is enabled or disabled | * Also displays if the service is enabled or disabled | ||
| Line 49: | Line 57: | ||
| Enabling a service to start on boot | Enabling a service to start on boot | ||
| <code bash> | <code bash> | ||
| - | systemctl enable | + | systemctl enable |
| </ | </ | ||
| Line 58: | Line 66: | ||
| Enable and Start the service | Enable and Start the service | ||
| <code bash> | <code bash> | ||
| - | systemctl enable | + | systemctl enable |
| - | systemctl start < | + | systemctl start postfix |
| </ | </ | ||
| Line 70: | Line 78: | ||
| Allow access through the firewall | Allow access through the firewall | ||
| <code bash> | <code bash> | ||
| - | firewall-cmd --permanent --add-service=< | + | firewall-cmd --permanent --add-service=smtp |
| firewall-cmd --reload | firewall-cmd --reload | ||
| </ | </ | ||