All the information that has been provided in the cheat sheet is also visible further down this page in a format that is easy to copy and paste.
The cheat sheet covers:
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- Wireshark Capturing Modes
- Filter Types
- Capture Filter Syntax
- Display Filter Syntax
- Protocols – Values
- Filtering packets (Display Filters)
- Logical Operators
- Default columns in a packet capture output
- Miscellaneous Items
- Keyboard Shortcuts
- Common Filtering Commands
- Main Toolbar Items
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Click on the link to download the Cheat Sheet PDF. If it opens in a new browser tab, simply right click on the PDF and navigate to the download selection.
What’s included in the cheat sheet?
The following categories and items have been included in the cheat sheet:
Wireshark Capturing Modes
Wireshark Capturing Modes |
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Promiscuous mode | Sets interface to capture all packets on a network segment to which it is associated to |
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Monitor mode | setup the Wireless interface to capture all traffic it can receive (Unix/Linux only) |
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Filter Types
Filter Types |
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Capture filter | Filter packets during capture |
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Display Filter | Hide Packets from a capture display |
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Capture Filter Syntax
Capture filter Syntax |
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Syntax | protocol | direction | hosts | value | Logical operator | Expressions |
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Example | tcp | src | 192.168.1.1 | 80 | and | tcp dst 202.164.30.1 |
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Display Filter Syntax
Display Filter Syntax |
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Syntax | protocol | String 1 | String 2 | Comparison Operator | value | logical operator | Expressions |
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Example | http | dest | ip | == | 192.168.1.1 | and | tcp port |
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Protocols – Values
Protocols - Values |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ether, fddi, ip, arp, rarp, decnet, lat, sca, moprc, mopdl, tcp and udp |
Filtering packets (Display Filters)
Filtering packets (Display Filters) |
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|---|---|---|---|---|---|---|---|
Operator | Description | Example |
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eq or == | Equal | ip.dest == 192.168.1.1 |
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ne or != | Not Equal | ip.dest != 192.168.1.1 |
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gt or > | Greater than | frame.len > 10 |
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lt or < | Less than | frame.len <10 |
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ge or >= | Greater than or Equal | frame.len >= 10 |
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le or <= | Less than or Equal | frame.len<=10 |
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Miscellaneous Items
Miscellaneous |
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Slice Operator | […] - Range of values |
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Membership Operator | {} - In |
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CTRL+E - | Start/Stop Capturing |
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Logical Operators
Logical Operators |
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Operator | Description | Example |
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and or && | Logical AND | All the conditions should match |
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or or || | Logical OR | Either all or one of the condition should match |
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xor or ^^ | Logical XOR | exclusive alternation – Only one of the two conditions should match not both |
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not or ! | NOT(Negation) | Not equal to |
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[n] […] | Substring operator | Filter a specific word or text |
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Default columns in a packet capture output
Default columns in a packet capture output |
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No. | Frame number from the beginning of the packet capture |
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Time | Seconds from the first frame |
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Source (src) | Source address, commonly an IPv4, IPv6 or Ethernet address |
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Destination (dst) | Destination address |
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Protocol | Protocol used in the Ethernet frame, IP packet, or TCP segment |
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Length | Length of the frame in bytes |
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Keyboard Shortcuts
Keyboard Shortcuts – main display window |
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Accelerator | Description | Accelerator | Description |
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Tab or Shift+Tab | Move between screen elements, e.g. from the toolbars to the packet list to the packet detail. | Alt+→ or Option+→ | Move to the next packet in the selection history. |
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↓ | Move to the next packet or detail item. | → | In the packet detail, opens the selected tree item. |
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↑ | Move to the previous packet or detail item. | Shift+→ | In the packet detail, opens the selected tree item and all of its subtrees. |
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Ctrl+ ↓ or F8 | Move to the next packet, even if the packet list isn’t focused. | Ctrl+→ | In the packet detail, opens all tree items. |
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Ctrl+ ↑ or F7 | Move to the previous packet, even if the packet list isn’t focused. | Ctrl+← | In the packet detail, closes all tree items. |
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Ctrl+. | Move to the next packet of the conversation (TCP, UDP or IP). | Backspace | In the packet detail, jumps to the parent node. |
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Ctrl+, | Move to the previous packet of the conversation (TCP, UDP or IP). | Return or Enter | In the packet detail, toggles the selected tree item. |
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Common Filtering Commands
Common Filtering commands |
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|---|---|
Usage | Filter syntax |
Wireshark Filter by IP | ip.addr == 10.10.50.1 |
Filter by Destination IP | ip.dest == 10.10.50.1 |
Filter by Source IP | ip.src == 10.10.50.1 |
Filter by IP range | ip.addr >= 10.10.50.1 and ip.addr <= 10.10.50.100 |
Filter by Multiple Ips | ip.addr == 10.10.50.1 and ip.addr == 10.10.50.100 |
Filter out IP address | !(ip.addr == 10.10.50.1) |
Filter subnet | ip.addr == 10.10.50.1/24 |
Filter by port | tcp.port == 25 |
Filter by destination port | tcp.dstport == 23 |
Filter by ip address and port | ip.addr == 10.10.50.1 and Tcp.port == 25 |
Filter by URL | http.host == “host name” |
Filter by time stamp | frame.time >= “June 02, 2019 18:04:00” |
Filter SYN flag | tcp.flags.syn == 1 |
tcp.flags.syn == 1 and tcp.flags.ack == 0 | |
Wireshark Beacon Filter | wlan.fc.type_subtype = 0x08 |
Wireshark broadcast filter | eth.dst == ff:ff:ff:ff:ff:ff |
WiresharkMulticast filter | (eth.dst[0] & 1) |
Host name filter | ip.host = hostname |
MAC address filter | eth.addr == 00:70:f4:23:18:c4 |
RST flag filter | tcp.flags.reset == 1 |
Main Toolbar Items
Main toolbar items |
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|---|---|---|---|
Toolbar Icon | Toolbar Item | Menu Item | Description |
 | Start | Capture → Start | Uses the same packet capturing options as the previous session, or uses defaults if no options were set |
 | Stop | Capture → Stop | Stops currently active capture |
 | Restart | Capture → Restart | Restarts active capture session |
 | Options… | Capture → Options… | Opens “Capture Options” dialog box |
 | Open… | File → Open… | Opens "File open" dialog box to load a capture for viewing |
 | Save As… | File → Save As… | Save current capture file |
 | Close | File → Close | Close current capture file |
 | Reload | View → Reload | Reloads current capture file |
 | Find Packet… | Edit → Find Packet… | Find packet based on different criteria |
 | Go Back | Go → Go Back | Jump back in the packet history |
 | Go Forward | Go → Go Forward | Jump forward in the packet history |
 | Go to Packet… | Go → Go to Packet… | Go to specific packet |
 | Go To First Packet | Go → First Packet | Jump to first packet of the capture file |
 | Go To Last Packet | Go → Last Packet | Jump to last packet of the capture file |
 | Auto Scroll in Live Capture | View → Auto Scroll in Live Capture | Auto scroll packet list during live capture |
 | Colorize | View → Colorize | Colorize the packet list (or not) |
 | Zoom In | View → Zoom In | Zoom into the packet data (increase the font size) |
 | Zoom Out | View → Zoom Out | Zoom out of the packet data (decrease the font size) |
 | Normal Size | View → Normal Size | Set zoom level back to 100% |
 | Resize Columns | View → Resize Columns | Resize columns, so the content fits to the width |
Thanks. A great job.