Xshell Highlight Sets

Whether you’re a network engineer monitoring router logs, a system administrator managing multiple servers, or a security analyst hunting for threats, mastering Xshell Highlight Sets will make your terminal work faster, clearer, and more enjoyable.

This extended version captures CIDR notation, useful for network engineers working with subnet definitions.

Once you build the perfect highlight set, click the Export button in the Highlight Sets manager. Save the file and share it with your team. This ensures everyone looks at logs through the same diagnostic lens during collaborative troubleshooting sessions.

In the Highlight Sets dialog box, click the button on the right.

In the field, type the exact word you want to track (e.g., ERROR ). Under the Style section, customize the appearance: xshell highlight sets

For security professionals monitoring SSH logs:

Before relying on a Highlight Set in production, test it on a variety of real-world output. Regular expressions that work perfectly on controlled examples might misbehave on unexpected input formats.

Navigate to the top menu and click on > Highlight Sets .

Managing multiple remote servers via SSH can quickly lead to cognitive fatigue. When streaming thousands of lines of log files, critical errors often blend seamlessly into normal informational text. Whether you’re a network engineer monitoring router logs,

Would you like a ready-to-import .ini snippet for any of these highlight sets?

If you manage network gear or analyze web traffic, highlighting IP addresses makes log parsing vastly easier. \b(?:[0-9]1,3\.)3[0-9]1,3\b

| Highlight Set Name | Use Case | Typical Rules | |-------------------|----------|----------------| | | Nginx/Apache logs | Status codes, SQL queries, PHP errors | | Security Admin | Auth logs, firewall logs | Failed logins, port scans, sudo commands | | Database Admin | MySQL/PostgreSQL | Slow queries, deadlocks, replication errors | | Kubernetes | kubectl get pods | CrashLoopBackOff, Pending, ImagePullBackOff | | Network Engineer | Cisco/Juniper configs | Interface up/down, BGP neighbor changes |

: If you want a highlight set to apply to all new sessions, set it in the Default Session Properties Save the file and share it with your team

Great for making log timestamps stand out.

[Keyword_0] TermBackColor=1 # Enable background color Underline=0 # Underline style (0=off, 1=on) Bold=1 # Bold formatting Strikeout=0 # Strikethrough formatting Keyword=(\bFailed password\b) # Regular expression pattern Description=SSH authentication failure # Optional description BackColorIndex=290 # Background color index UseRegex=1 # Use regular expression (1=yes) Italic=0 # Italic styling Enable=1 # Enable this rule TextColorIndex=15 # Text color index CaseSens=0 # Case sensitive (0=no, 1=yes)

| Symptom | Possible Cause | Solution | |---------|----------------|----------| | No highlighting at all | Highlight Set not applied | Verify the set is active (Set to Current) | | Only some matches work | Case sensitivity mismatch | Check whether “Case Sensitive” is enabled | | Wrong content highlighted | Incorrect regex pattern | Review your regex syntax | | Exact word not matching | Pattern matching interior substrings | Use \bword\b for exact matches |